Dns issues with one domain (Resolved)
i'm currently having dns issues with one domain, in that it won't resolve when I use bt's dns servers.
The domain is owned by a friend in the US who runs his own server for irc, web, and I also have a server that is on his connection, and resolves fine from other machines on different networks, and also resolves fine when I set windows to use the opendns servers, but when it's set to either my routers ip (using bt's dns), or set to automatic (using bt's dns via the homehub), this one domain will not resolve.
I'm pretty certain it's not a windows issue, as it's a clean install of windows 7 that I did yesterday. I've tried rebooting the homehub, and also flushing my dns on windows, but this has not solved the issue.
As I say, it resolves fine on other networks, and also when I use the opendns servers, so I know it's definately a dns issue.
Using bt's dns servers:
C:\Users\admin>ping chatnsn.com
Ping request could not find host chatnsn.com. Please check the name and try agai
n.
Using opendns:
C:\Users\admin>ping chatnsn.com
Pinging chatnsn.com [68.51.24.74] with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 68.51.24.74:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
(The timeouts are normal...he has his router set to not respond to ping requests).
Has anyone got any ideas on how to sort this out? Preferably without having to phone the helpdesk...lets just say i've done it in the past, and according to the poeple I spoke to in india, I knew nothing about my own systems, and it was a problem at my end...which was not the case, and I proved this several times.
Edit: This issue appears to have resolved itself, and the domain is now resolving again using the homehub for dns resolution.
Hi,
When NSLOOKUP starts, before anything else, it checks the computer's network configuration to determine the IP address of the DNS server that the computer uses.
Then it does a reverse DNS lookup on that IP address to determine the name of the DNS server.
If reverse DNS for that IP address is not setup correctly, then NSLOOKUP cannot determine the name associated with the IP address.
http://support.simpledns.com/kb/a90/nslookup-cant-find-server-name___-default-server-unknown.aspx
Also refer to:
How to fix NSLOOKUP Default Server: UnKnown?
http://www.randika.info/2013/01/how-to-fix-nslookup-default-server.html
Regards.
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Support, contact [email protected]
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Hi All
I've been trying to trudge my way through an issue our client is having but I'm getting nowhere fast. This issue was discovered when searching for why users at our second site were experiencing slow logons every morning (5-10minutes to login).
Within our domain there are two domain controllers for the child domain we manage.
DC1 has connection back to the parent DC's (managed by our clients parent company), and also replicates both ways with DC2. DC2 is at another site, on another subnet and replicates to and from DC1 only.
DC2 appears to have no issues, it can resolve any address, nslookup either using itself or DC1 is fine and name servers resolve fine.
DC1 has massive issues with DC2 - using it for nslookup gives me the following:
I get this timeout error for internal and external names, but both DC's are able to ping and access internet with no issues.
When trying to resolve name servers from DC1, DC2 sits at 'validating' for a while and then comes back with 'a timeout occurred during validation'.
Restarting DNS Server, NETLOGON and registering in DNS from DC2 had DC1 talking to it fine for a few minutes, but then it went back how it is (and I haven't been able to replicate this fix since).
Reverse DNS zones are setup for all the subnets used, there are A records and PTR's for both DC's.
Performing 'ping -a dc2.ip.address' from DC1 comes back fine - it knows what it is in both directions (name and IP) but nslookup and nameserver resolution is still failing.
I just don't know where to go from here - from everything I've read they should be happy... Any ideas?Hi,
When NSLOOKUP starts, before anything else, it checks the computer's network configuration to determine the IP address of the DNS server that the computer uses.
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Windows 7 Pro DNS issue with static IP
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I have been unable to solve a DNS problem I am having as follows:
I have a Windows 7 Professional (64 bit) computer running VirtualBox with a couple of Windows XP guests (not sure if this bit is relevant). After heavy file copying/transfer on both of the Windows XP machines, both the guest machines AND the host loose anything
DNS related, so I cannot call anything by name, but by direct IP works fine. The only resolution is to reboot the (host) machine and it will then work OK for a while until it happens again. The only trigger to make it seem to happen quicker is to re-initiate
the heavy file transfer and this then causes the DNS resolution to stop working again.
The machine has a fixed IP address, so it isn't related to DHCP.
I've tried the machine connected wired and wireless, no difference.
The IP settings are manual and I have tried giving it the DNS settings of the router (normal settings) and I have also tried giving it Google's DNS servers (8.8.8.8 & 8.8.4.4). No difference.
It seems to happen (sooner) during heavy traffic.
Other Windows 7 machines in the network work fine (though they are Home version, not Pro).
ONLY DNS fails, direct IP works OK.
Reboot seems only solution at the moment.
I am now lost as to what to try to resolve this issue, I do not really want to reload Windows 7 as it is a relatively new install... I have read about issues with wired connections on my router (BT Home Hub 2.0) so tried a wireless connection, still the
same.
Here is my ipconfig /all (it shows the BT Home Hub router DNS settings, but it also failed with Google's 8.8.8.8 and 8.8.4.4 entered here and also with the routers 192.168.1.254 (default).
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Users\G>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : e1
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
Physical Address. . . . . . . . . : 30-85-A9-AD-07-81
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::59f:484a:827f:42ba%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.87(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.254
DHCPv6 IAID . . . . . . . . . . . : 238060969
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-39-2B-4D-30-85-A9-AD-07-81
DNS Servers . . . . . . . . . . . : 217.32.171.21
213.120.234.30
NetBIOS over Tcpip. . . . . . . . : Enabled
Ethernet adapter VirtualBox Host-Only Network:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : VirtualBox Host-Only Ethernet Adapter
Physical Address. . . . . . . . . : 08-00-27-00-28-56
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::8d2d:7418:381b:8dc0%15(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.56.1(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
DHCPv6 IAID . . . . . . . . . . . : 336068647
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-1A-39-2B-4D-30-85-A9-AD-07-81
DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter isatap.{486D4DCC-9CB7-417E-A796-596E0E6B1D54}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Teredo Tunneling Pseudo-Interface:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter isatap.{67455999-75A5-436E-9EAC-12B093363132}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
C:\Users\G>
Any ideas where to look, or what other info to provide for any assistance?
Many thanks in advance.Hi,
This has just happened again, here is the content of the netstat results as requested...
If I kill the VirtualBox virtual machines, it starts working again. It is as if there are no ports left, but I am not occupying that many? Surely Windows 7 can cope with this?
I feel I am missing something important, but cannot put my finger on it...
Further below, I have re-run the netstat command AFTER I have closed the VirtualBox machines and the system works OK.
netstat results DURING ISSUE:
Active Connections
Proto Local Address Foreign Address State PID
TCP 0.0.0.0:21 0.0.0.0:0 LISTENING 1444
[FileZilla Server.exe]
TCP 0.0.0.0:25 0.0.0.0:0 LISTENING 1692
[MESMTPC.EXE]
TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 4
Can not obtain ownership information
TCP 0.0.0.0:110 0.0.0.0:0 LISTENING 1660
[MEPOPS.EXE]
TCP 0.0.0.0:135 0.0.0.0:0 LISTENING 752
RpcSs
[svchost.exe]
TCP 0.0.0.0:143 0.0.0.0:0 LISTENING 1524
[MEIMAPS.exe]
TCP 0.0.0.0:445 0.0.0.0:0 LISTENING 4
Can not obtain ownership information
TCP 0.0.0.0:1221 0.0.0.0:0 LISTENING 4796
[VirtualBox.exe]
TCP 0.0.0.0:2199 0.0.0.0:0 LISTENING 4820
[VirtualBox.exe]
TCP 0.0.0.0:3306 0.0.0.0:0 LISTENING 1756
[mysqld.exe]
TCP 0.0.0.0:3389 0.0.0.0:0 LISTENING 1104
CryptSvc
[svchost.exe]
TCP 0.0.0.0:6901 0.0.0.0:0 LISTENING 4636
[WinVNC.exe]
TCP 0.0.0.0:6901 0.0.0.0:0 LISTENING 4636
[WinVNC.exe]
TCP 0.0.0.0:8300 0.0.0.0:0 LISTENING 3464
[sc_serv.exe]
TCP 0.0.0.0:8301 0.0.0.0:0 LISTENING 3464
[sc_serv.exe]
TCP 0.0.0.0:8360 0.0.0.0:0 LISTENING 3080
[sc_serv.exe]
TCP 0.0.0.0:8361 0.0.0.0:0 LISTENING 3080
[sc_serv.exe]
TCP 0.0.0.0:9022 0.0.0.0:0 LISTENING 4804
[VirtualBox.exe]
TCP 0.0.0.0:9023 0.0.0.0:0 LISTENING 4804
[VirtualBox.exe]
TCP 0.0.0.0:9080 0.0.0.0:0 LISTENING 4804
[VirtualBox.exe]
TCP 0.0.0.0:10001 0.0.0.0:0 LISTENING 4828
[VirtualBox.exe]
TCP 0.0.0.0:10002 0.0.0.0:0 LISTENING 4828
[VirtualBox.exe]
TCP 0.0.0.0:10003 0.0.0.0:0 LISTENING 4828
[VirtualBox.exe]
TCP 0.0.0.0:10011 0.0.0.0:0 LISTENING 4780
[VirtualBox.exe]
TCP 0.0.0.0:10012 0.0.0.0:0 LISTENING 4780
[VirtualBox.exe]
TCP 0.0.0.0:10013 0.0.0.0:0 LISTENING 4780
[VirtualBox.exe]
TCP 0.0.0.0:25566 0.0.0.0:0 LISTENING 3648
[TerrariaServer.exe]
TCP 0.0.0.0:30001 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30002 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30003 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30004 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30005 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30006 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30007 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30020 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30021 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30039 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30080 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30081 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30082 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30083 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30084 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30085 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30086 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30087 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30088 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30089 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30090 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30091 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30092 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30093 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30094 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30095 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30096 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30097 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30098 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30099 0.0.0.0:0 LISTENING 4788
[VirtualBox.exe]
TCP 0.0.0.0:30101 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30102 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30103 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30104 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30105 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30106 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30107 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30108 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30109 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30110 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30111 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30112 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30113 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30114 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30115 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30116 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30117 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30118 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30119 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30120 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30121 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30139 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30180 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30181 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30182 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30183 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30184 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30185 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30186 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30187 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30188 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30189 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30190 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30191 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30192 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30193 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30194 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30195 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30196 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30197 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30198 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30199 0.0.0.0:0 LISTENING 4812
[VirtualBox.exe]
TCP 0.0.0.0:30201 0.0.0.0:0 LISTENING 4796
[VirtualBox.exe]
TCP 0.0.0.0:30239 0.0.0.0:0 LISTENING 4796
[VirtualBox.exe]
TCP 0.0.0.0:33306 0.0.0.0:0 LISTENING 4796
[VirtualBox.exe]
TCP 0.0.0.0:49152 0.0.0.0:0 LISTENING 440
[wininit.exe]
TCP 0.0.0.0:49153 0.0.0.0:0 LISTENING 880
eventlog
[svchost.exe]
TCP 0.0.0.0:49154 0.0.0.0:0 LISTENING 1000
Schedule
[svchost.exe]
TCP 0.0.0.0:49156 0.0.0.0:0 LISTENING 508
[lsass.exe]
TCP 0.0.0.0:49157 0.0.0.0:0 LISTENING 500
[services.exe]
TCP 0.0.0.0:49158 0.0.0.0:0 LISTENING 3048
PolicyAgent
[svchost.exe]
TCP 127.0.0.1:8361 127.0.0.1:49364 ESTABLISHED 3080
[sc_serv.exe]
TCP 127.0.0.1:14147 0.0.0.0:0 LISTENING 1444
[FileZilla Server.exe]
TCP 127.0.0.1:14147 127.0.0.1:49162 ESTABLISHED 1444
[FileZilla Server.exe]
TCP 127.0.0.1:49162 127.0.0.1:14147 ESTABLISHED 3156
[FileZilla Server Interface.exe]
TCP 127.0.0.1:49212 127.0.0.1:49213 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49213 127.0.0.1:49212 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49214 127.0.0.1:49215 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49215 127.0.0.1:49214 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49216 127.0.0.1:49217 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49217 127.0.0.1:49216 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49218 127.0.0.1:49219 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49219 127.0.0.1:49218 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49220 127.0.0.1:49221 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49221 127.0.0.1:49220 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49222 127.0.0.1:49223 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49223 127.0.0.1:49222 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49224 127.0.0.1:49225 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49225 127.0.0.1:49224 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49226 127.0.0.1:49227 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49227 127.0.0.1:49226 ESTABLISHED 4288
[java.exe]
TCP 127.0.0.1:49364 127.0.0.1:8361 ESTABLISHED 3100
[Instore_Radioboss.exe]
TCP 192.168.1.87:139 0.0.0.0:0 LISTENING 4
Can not obtain ownership information
TCP 192.168.1.87:3389 217.156.134.12:22971 ESTABLISHED 1104
CryptSvc
[svchost.exe]
TCP 192.168.1.87:8360 81.148.248.221:1026 ESTABLISHED 3080
[sc_serv.exe]
TCP 192.168.1.87:25565 0.0.0.0:0 LISTENING 4288
[java.exe]
TCP 192.168.1.87:50644 37.139.0.151:8233 ESTABLISHED 4796
[VirtualBox.exe]
TCP 192.168.1.87:51019 81.27.96.46:21 TIME_WAIT 0
TCP 192.168.1.87:53126 192.168.1.86:445 ESTABLISHED 4
Can not obtain ownership information
TCP 192.168.1.87:60462 192.168.1.86:445 CLOSE_WAIT 4
Can not obtain ownership information
TCP 192.168.1.87:65029 37.139.0.151:8231 ESTABLISHED 4796
[VirtualBox.exe]
TCP 192.168.56.1:139 0.0.0.0:0 LISTENING 4
Can not obtain ownership information
TCP [::]:21 [::]:0 LISTENING
1444
[FileZilla Server.exe]
TCP [::]:25 [::]:0 LISTENING
1692
[MESMTPC.EXE]
TCP [::]:80 [::]:0 LISTENING
4
Can not obtain ownership information
TCP [::]:135 [::]:0 LISTENING
752
RpcSs
[svchost.exe]
TCP [::]:445 [::]:0 LISTENING
4
Can not obtain ownership information
TCP [::]:3306 [::]:0 LISTENING
1756
[mysqld.exe]
TCP [::]:3389 [::]:0 LISTENING
1104
CryptSvc
[svchost.exe]
TCP [::]:30239 [::]:0 LISTENING
4796
[VirtualBox.exe]
TCP [::]:49152 [::]:0 LISTENING
440
[wininit.exe]
TCP [::]:49153 [::]:0 LISTENING
880
eventlog
[svchost.exe]
TCP [::]:49154 [::]:0 LISTENING
1000
Schedule
[svchost.exe]
TCP [::]:49156 [::]:0 LISTENING
508
[lsass.exe]
TCP [::]:49157 [::]:0 LISTENING
500
[services.exe]
TCP [::]:49158 [::]:0 LISTENING
3048
PolicyAgent
[svchost.exe]
TCP [::1]:14147 [::]:0 LISTENING 1444
[FileZilla Server.exe]
UDP 0.0.0.0:123 *:*
964
W32Time
[svchost.exe]
UDP 0.0.0.0:500 *:*
1000
IKEEXT
[svchost.exe]
UDP 0.0.0.0:3702 *:*
964
EventSystem
[svchost.exe]
UDP 0.0.0.0:3702 *:*
964
EventSystem
[svchost.exe]
UDP 0.0.0.0:4500 *:*
1000
IKEEXT
[svchost.exe]
UDP 0.0.0.0:5355 *:*
1104
Dnscache
[svchost.exe]
UDP 0.0.0.0:53274 *:*
4780
[VirtualBox.exe]
UDP 0.0.0.0:53727 *:*
4788
[VirtualBox.exe]
UDP 0.0.0.0:54111 *:*
4828
[VirtualBox.exe]
UDP 0.0.0.0:54112 *:*
4828
[VirtualBox.exe]
UDP 0.0.0.0:54113 *:*
4780
[VirtualBox.exe]
UDP 0.0.0.0:55421 *:*
964
EventSystem
[svchost.exe]
UDP 0.0.0.0:58596 *:*
964
EventSystem
[svchost.exe]
UDP 0.0.0.0:59838 *:*
4812
[VirtualBox.exe]
UDP 0.0.0.0:62498 *:*
4796
[VirtualBox.exe]
UDP 127.0.0.1:1900 *:*
4172
SSDPSRV
[svchost.exe]
UDP 127.0.0.1:55045 *:*
4172
SSDPSRV
[svchost.exe]
UDP 192.168.1.87:137 *:*
4
Can not obtain ownership information
UDP 192.168.1.87:138 *:*
4
Can not obtain ownership information
UDP 192.168.1.87:1900 *:*
4172
SSDPSRV
[svchost.exe]
UDP 192.168.1.87:55043 *:*
4172
SSDPSRV
[svchost.exe]
UDP 192.168.56.1:137 *:*
4
Can not obtain ownership information
UDP 192.168.56.1:138 *:*
4
Can not obtain ownership information
UDP 192.168.56.1:1900 *:*
4172
SSDPSRV
[svchost.exe]
UDP 192.168.56.1:55044 *:*
4172
SSDPSRV
[svchost.exe]
UDP [::]:123 *:*
964
W32Time
[svchost.exe]
UDP [::]:500 *:*
1000
IKEEXT
[svchost.exe]
UDP [::]:3702 *:*
964
EventSystem
[svchost.exe]
UDP [::]:3702 *:*
964
EventSystem
[svchost.exe]
UDP [::]:4500 *:*
1000
IKEEXT
[svchost.exe]
UDP [::]:5355 *:*
1104
Dnscache
[svchost.exe]
UDP [::]:55422 *:*
964
EventSystem
[svchost.exe]
UDP [::]:58597 *:*
964
EventSystem
[svchost.exe]
UDP [::1]:1900 *:*
4172
SSDPSRV
[svchost.exe]
UDP [::1]:55042 *:*
4172
SSDPSRV
[svchost.exe]
UDP [fe80::59f:484a:827f:42ba%11]:1900 *:*
4172
SSDPSRV
[svchost.exe]
UDP [fe80::59f:484a:827f:42ba%11]:55040 *:*
4172
SSDPSRV
[svchost.exe]
UDP [fe80::11a6:2283:bc40:c0cb%16]:1900 *:*
4172
SSDPSRV
[svchost.exe]
UDP [fe80::11a6:2283:bc40:c0cb%16]:55041 *:*
4172
SSDPSRV
[svchost.exe] -
Internet DHCP/DNS issues with WRT1900ac
I've had a WRT1900ac now for about 2 weeks and the problems seem to be escalating. Need help. And yes, I've already read dozens of threads about these issues and nothing seems to be working.
Most of the problems seem to be centered around this DHCP/DNS issue that so many have been reporting.
First, the symptoms:
Galaxy S4 phones when connected via wifi have some apps that don't update (facebook and google play)
Some computers (both Win 7) will connect to the network just fine, both wired and wireless - but won't be able to get to the internet
I've spent the last 2-3 days of my life reading forums and trying all sorts of things to get this to work properly (like my old router) and I'm still stuck. Some things I've tried:
Firmware is up-to-date (latest version: 1.1.8.164461)
Manually assigned static DNS in router config settings (connectivity -> local network) to various combinations including the router address, 8.8.8.8, 8.8.4.4, 75.75.75.75, 75.75.76.76 (I have comcast), OpenDNS addresses, etc. I read that the router address is not needed, so I stopped including it.
I manually assigned IPs and DNS on the Galaxy S4 phones and that seemed to work... but also seems unnecessary.
I've reserved DHCP addresses on the computers in question, that didn't seem to work, I also manually set DNS on one of the comupters (can't on the other... long story/not my computer) and that worked for a while and then stopped working.
The only way to get one of the computers on the internet now is to turn on the guest network (even though the computer is hard wired to the router), connect, and then the wired network works. No clue why this is, but my guess is that it needs the guest network for DNS, then it fails back over to the wired network. Once that happens, I can actually turn off the wifi on the computer and everything works great... until I reboot. Key point: I can't change any settings on that box other than entering in SSID/passphrase info for the wireless connection. I can connect to the regular (non-Guest) wifi just fine - I just can't ever get to the internet.
I've tried massaging DHCP settings on the router until I'm blue in the face - Static DNS, reserving DHCP addresses, hell I even put one of the computers in the DMZ to see if that would work and it still can't connect to the internet (it's worth noting that with my old router, Linksys WRT310N, the setup was literally plug-and-play - no hassle with any of this).
I've tried countless router reboots, factory resets, turning off my modem and router for 2+ minutes, and nothing is working.
I even read somewhere that if you modify your DHCP settings at all that the WRT1900ac stops doing DNS properly and breaks, so I even tried several "hard" factory resets and used all the default DHCP/DNS settings. And it worked... for a few hours.
Seriously, I'm at my wit's end. I'm out a lot of money on this thing and it's been one headache after another. Please help.I think for most people its a bad idea to hold out that hope, lol. It seems like a great piece of hardware but if you really need a router and don't want to have to 'play' with it, its probably not a good choice. I have an EA6900 that I am very happy with but it has the same restrictions as far as DNS and I really hate the idea that I am forced to use the smartwifi portal. I would really like for them to give me a choice of the old gui or the new one and let ME decide. Lots of routers to choose from out there now and new ones seem to be coming out all the time so do some reading and see if something suits you better. Good luck!
-
Hello,
We are running the following setup:
cisco firewall
dmz lan
xserve(kerio/fto) workstations
So basicly randomly the computers accesing the dns name mail.domainname.com(172.16.2.2) gets directed too the xserve. And other times it gets directed too the cisco firewall (192.168.1.1).
Any ideas why this happends? I found this in the DNS log while the 192.168.1.200 tried to connect too the dns.
27-Apr-2010 12:50:59.115 client 192.168.1.200#65293: view com.apple.ServerAdmin.DNS.public: query (cache) 'maps.l.google.com/A/IN' deniedMinigud wrote:
Hoff,
Thank you again for your quick reply.
All the computers is running 10.6.3.
You are correct, we are running a local and external dns server. One from our internet provider and one for our mailserver. Basicly we want mail.domain.com to work both on wireless devices when at the office and when outside of the office.
I took some screenshots from our firewall aswell as the xserve DNS setup. Maybe you see something i don´t. The dhcp server here is the cisco router.
http://bildr.no/view/636861
Thanks again, i appriciate the help.
What you are describing for your DNS setup is a common case called "Split Horizon DNS". I use this configuration on my own Mac network. Internally, all clients are set to only talk to my own internal DNS server. On my own internal DNS server I have defined records for my mail server, e.g. mail.mydomain.com to point to its public IP address. My ISP has a record which the rest of the world uses which also points the same name to the same public IP address.
The servers are all set to use my internal DNS server in Network preferences in System Preferences, this includes my own DNS server which is also my Open Directory and DHCP server (yes this means it looks to itself). The DHCP server is set to only advertise my internal DNS server.
My internal DNS server receives all DNS lookup requests, and can resolve itself my own domain, and forwards externally all other requests to be resolved by other DNS servers.
In case you do have two DHCP servers, what you could do, is at a suitable quiet time, temporarily shutdown the DHCP server you know you are running, and see if clients are still able to obtain a DHCP address. If they can this confirms there is another one running, if they cannot, then this would suggest you only have one DHCP server.
Presumably you only have one DHCP subnet defined on your DHCP server?
Note: If you have a Split Horizon configuration like this, you also need to internally define any other external addresses like www.mydomain.com so you can access your own website, even/especially if the website is hosted externally.
When your clients are out of the office, they would be getting settings via a different DHCP server, which would include a different DNS server, and it would via your ISP find the external records.
In theory you could have server.mydomain.com point to an internal private IP address on your LAN, and externally (via your ISPs DNS server) point to a public IP address. I have not needed or wanted to do this. -
Outgoing mail issue with my domain
All right I'll lay it all out in as much detail as I can...thanks in advance for any insight you can give me.
OS: Tiger 10.4.7 (latest security updates)
Mail ver: 2.1
I have three e-mail accounts: gmail, dot mac and my own domain.
As of right now, I can send outgoing mail through my gmail and dot mac accounts. My domain mail is dead when trying to send through Mac Mail.
Gmail settings:
SMTP: smtp.gmail.com
Port: 587
SSL: On
Auth: Password
Username: (myaddress)@gmail.com
Password: (mypass)
Dot Mac settings:
SMTP: smtp.mac.com
Port: 25
SSL: On
Auth: Password
Username: (my username)
Password: (mypass)
Domain settings:
SMTP: mail.(mydomainname).com
Port: Tried 25, 587, 110
SSL: tried both on and off
Auth: tried none and password
Username: Tried just my username and tried full with @(domainname).com
Password: tried Webmail pass and control panel pass
Again, I have no problems sending with the other two accounts. But I get "could not send message using server mail.(domainname).com" error message. This after the spinning wheel for about 30 seconds.
Now, both the incoming and outgoing server are mail.(domainname).com. I can receive messages through the account just fine. And I can send mail through my Webmail setup at my domain name, too.
I contacted my host (iPowerweb) and they set up a test account and said they are not seeing smtp issues, either.
I recently switched hosts and I was having the same issue with the previous host, too. In fact, I used to be able to send e-mail through my previous host with the same domain, but it just quit working one day.
I do not believe it is a port issue as I am able to send on both 25 and 587.
Previously I just accepted that I wouldn't be able to use Mac Mail to send through my domain. But I am unwilling to accept that fact anymore...
Any ideas folks?
Again, thanks...
PowerBook G4 Mac OS X (10.4.7)Hello, and welcome to the Discussions.
Typically, Port 587 would require at least Password Authentication -- using None as Authentication would not be expected to succeed. If None is the correct setting, then Port 25 would be the necessary Port.
The fact that accounts in the same domain work, is not definitive, in my opinion, since it might be permitted without Authentication, whereas other sending activities might not.
Without regard to blocking, sending with a third party SMTP involves establishing "trust", and trust is either established by Authentication, or by being identified by the venue where your ISP can ensure you are trustworthy, and this typically must require the use of Port 25.
The change might be that as a Spam fighting measure, your ISP has only just now required authentication on Port 587, although I think this has already been nearly universal.
Ernie -
Is anyone else having DNS issues with BC?
My client is using Business Catalyst nameservers for their domain. As of yesterday their email started getting bounced with the message "No email server found". As of today their whole site has gone down. I've checked the obvious and their domain name hasn't expired. Seems like BC have a major DNS issue going down. Is anyone else experiencing this? No word from BC support yet... :-|
Hi Liam, thanks for your response. This client has their domain nameservers set to ns(1|2|3).worldsecuresystems.com so they shouldn't need to make any DNS changes in relation to the migration?
whois is showing the domain active and pointing to the correct nameservers, nslookup isn't returning records for the domain. The problem would be stereotypical of the domain expiring but that isn't the case in this instance.
Interesting doing a nslookup server=ns1.worldsecuresystems.com ecoyogastore.co.nz returns the correct records. For whatever reason these records arn't being propigated out to other nameservers though.
whois:
% New Zealand Domain Name Registry Limited
% Users confirm on submission their agreement to all published Terms
version: 5.00
query_datetime: 2013-09-03T15:08:31+12:00
domain_name: ecoyogastore.co.nz
query_status: 200 Active
domain_dateregistered: 2008-05-15T22:16:47+12:00
domain_datebilleduntil: 2018-08-15T22:16:47+12:00
domain_datelastmodified: 2013-09-02T13:43:48+12:00
domain_delegaterequested: no
domain_signed: no
ns_name_01: ns1.worldsecuresystems.com
ns_name_02: ns2.worldsecuresystems.com
ns_name_03: ns3.worldsecuresystems.com -
DNS Issues with Time Capsule - DNS Proxy periodically dies
hi all .... looking for some suggestions
I have a time capsule 1TB, connected to a linksys adsl modem in bridge mode, with the TC acting as DHCP server for my local clients. In the PPPoE settings I also enter the primary and secondary addresses for DNS that my ISP supplied.
I am able to successfully connect to the internet, and all clients successfully pick up an IP address, and each client picks up the TC as the DNS proxy. Everything works perfectly as it should.
Usually once per day, there seems to be a slight hickup with the internet connection (hard to tell whether I am losing the PPPoE or some other issue). When this happens, the PPPoE connection remains active, as I am able to access anything on the internet from an IP level. However, the DNS proxy service on the TC seems to die and as a result, all internet browsing fails. If I reboot the TC, everything comes back to normal. If I dont reboot, the only way to get browsing working is to manually enter the DNS IP address from ISP into the client PCs. However, this is a manual fix that I should not have to perform.
Looking for advice and guidance. Seems like a bug but I cant tell. If I was able to set the DHCP server to pass out the ISP supplied addresses that would also work, but I cant.Just got off the phone with support for this very same problem. DNS Proxy is definitely dying in the TC, looks like a firmware issue to me.
This is the 3rd TC I'm on. First was a 500GB, had this problem, replaced it under warranty at Apple's direction, replacement did the same, just upgraded this weekend to 1GB, and same issue still. All on 7.3.2 firmware.
TC 1TB, PPPoE to my ISP, ISP's DNS Servers listed in the PPPoE config in the TC.
When a host gets DHCP from the TC the only DNS returned is the TC itself, since it proxies the ISP DNS servers.
Once every day or two, the DNS proxy dies. local network works, and I can add my ISP's DNS addresses in my host config and I have DNS again, but this is definitely something dying in the DNS proxy in the TC.
Just for kicks trying to switch from my ISP's DNS servers to OpenDNS now since someone said that worked for them, but I am not hopeful... I don't see this as a host DNS issues at all.
The dead proxy is very clear:
$ nslookup apple.com. 192.168.1.1 # that's the TC
Server: 192.168.1.1
Address: 192.168.1.1#53
** server can't find apple.com: SERVFAIL
$ nslookup apple.com. 208.67.222.222 # that's OpenDNS
Server: 208.67.222.222
Address: 208.67.222.222#53
Non-authoritative answer:
Name: apple.com
Address: 17.149.160.49
I replaced a linksys router with the TC and am kind of unhappy that a $500 router dies every couple of days. My cheapo Linksys router never needed to be restarted, it only ever got rebooted once every year or so when the house lost power long enough for the UPS to run out of battery.
Help us out here Apple, I replaced a $50 router with a $500 because I like the flavor of your kool aid, and this thing dies every day or two. Even if you can't fix why the proxy is dying every couple of days, can you please at least update the firmware to maybe restart the proxy if it quits working? -
Possible DNS issue with AirPort Express basestation?
Hi all -
Up until recently my Airport Express has been working great. This past weekend I started noticing that website browsing became slow, and some websites would not come up at all (e.g. popular sites like wordpress.org).
Otherwise my internet connection works fine (email works, browsing for the most part is normal for all computers on the network, pc and mac).
I read that this could be a possible DNS issue. I unplugged the AE basestation and plugged my Powerbook directly into my cable modem and was able to get to all websites that I couldn't get to while using the AE. That, and browsing was a heck of a lot faster (it seemed).
Can anyone help me out and point me to a specific setting on the AE that I can toggle, correct, whatever, to solve this (possible) DNS issue?
Thanks!
JeffDear Henry, Thanks for your reply, and we are sorry for having intruded upon the wrong thread with our troubles. Perhaps you could point us to the most pertinent thread. Further pushing credulity Might you assist us further?... We have checked every floor in the building and no new equip has been added, though I can't speculate on the 'hood at large. We added a Time Capsule to the mix hoping that might bring back some stability and speed, but results aren't very promising so far. perhaps you might point us to a resource for professional help, or web sites that may help us define and implement something beyond the ad hoc system we have currently. We have read through the Apple docs regarding Designing Networks, and though informative they don't necessarily explain the nuances / consequences of different configurations, for instance, that WDS will adversely affect net speed. Thanks in advance for your input (should you wish to assist). If you are so inclined I can provide the snap shot of our list of hardware. And again apologies if we are in the wrong place.
Maybe you are looking for
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2.2 fixed fetching for me, but 'new mail' sound/vibration remains an issue.
I'm interested in finding out how many of you have found that mail fetching is now perfectly reliable but you're still not getting the 'new mail' alert... I did a full restore and found that when the mail account was first reinstated, it chimed/vibra
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11g oracle download for 32bit is corrupt.
http://download.oracle.com/otn/nt/oracle11g/112010/win32_11gR2_database_1of2.zip Every time i download it the file says it is invalid. any ideas ?
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E2500 as an additional access point will not connect
Hello, I have AT&T Uverse which provides Internet for my home. The wireless capability of this router is pretty bad, I don't get good/reliable wireless reception upstairs in my office. The solution was to buy a Cisco E2500 and add it as an access p
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I just got my iMac and I'm trying to download Netflix. It has said to download Silverlight but it won't let me save the file.
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How to use cRIO USB mass storage?
Hi, I am using the NI9215 as an analog input port and want to write the data into an external USB mass storage which is connected in the cRIo-9012 USB port. I do not have any idea how to write the data into USB mass storage, does anyone can give me