Prompt shows IP address instead of domain/host

Our server is setup at 10.0.1.1 (actually it is at public IP address. Here I am giving this like that). Our DNS server (on another system) maps this IP to ourdomain.net. Everything was working fine. If anyone logs into the server, he will get prompt like this:
ourdomain:~
All of a sudden, this started showing our IP address instead of ourdomain at the prompt. DNS is working fine. I checked host and dig. But for some reason, IP address is showing up. How can I fix this ?
Appreciate any help.
Thanks !

You mean when logging in using ssh?
You say you checked the DNS but is this IP used publicly and the DNS IP used on that server you own ("public") DNS which is the DNS responsible for public lookups (SOA) of that servername/domain?
If it is a public server and the DNS is correct any public DNS IP/server (which allows recursion from your IP) can be used on that server to look itself up.
What does "hostname" in terminal on that server say?
Remove any HOSTNAME=-ourdomain.net- from /etc/hostconfig on that server.

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=======
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it seems you are seeing the following 2 bugs:
CSCsq54877 for the resolver.pl and
CSCsv65933 for the problem that the device name does not get updated in DCR;
you have two options, contact TAC to get the patch or update to LMS 3.2
=======
CSCsq54877 Bug Details
resolver.pl may not properly resolve IP to hostname.
Symptom:
The resolver.pl tool may not properly resolve IP Address to hostname. This problem occur although the proper resolution path exists.
However, the resolver.pl tool properly resolves IP Address to hostname.
Conditions:
This occurs anytime when an IP address argument is passed to resolver.pl.
Workaround:
Use the nslookup or host command from the Operating System to get proper lookup results, if If the IP address has a PTR DNS record.
However, if the IP address is listed in the local hosts file, there is no workaround
CSCsv65933 Bug Details
Discovery does not update display name in DCR
Symptom:
The Device Credential Repository display name attribute is not updated after running Discovery despite the "Update DCR Display Name" box being checked.
Conditions:
This occurs for Common Services 3.2 Discovery.
Workaround:
To have the DCR display name reflect the correct value, the device must be manually edited under Common Services > Device and Credentials > Device Management

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DNS server returns IP addresses even for domain na...

Like a number of other people I have been looking at the BT Broadband service and have found that there is an issue with the current DNS server. What I / we have found is that the DNS server returns IP addresses even for domain names which should not resolve. See following -
DNS results wildcarding (?): Warning
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Infinidim
Megadodo Publications
Ursa Minor Beta
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If the the reply answers your question then please mark as ’Mark as Accepted Solution’
Solved!
Go to Solution.

RedAmberGreen wrote:
BT use a Barefruit (which your post seems to suggest) service called 'Error Resolution'.
http://www.barefruit.com/background/error_resolution.php
Any DNS that can not get resolved goes via this service and returns a page showing paid adverts and/or links related to what they think you were looking for.
BT refer to this as 'BT Web Address Help' and can be turned off on an opt-out basis via this link: http://preferences.webaddresshelp.bt.com/selfcare/
I assume BT's view is this helps improve the user experience and provides some directed help instead of a blank error page.
Further details: http://www.bt.com/help/webaddresshelp
Thanks for this RedAmberGreen.
Infinidim
Megadodo Publications
Ursa Minor Beta
If you want to say thanks for a helpful answer, please click on the Ratings star on the left-hand side
If the the reply answers your question then please mark as ’Mark as Accepted Solution’

Why do text messages from my iPad appear to some people as if they came from my email address instead of my phone number? This does not happen when I send text messages from my iPhone.

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Prompt shows IP address instead of domain/host

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