Findout previous deleted domain controller computer name frome SID

Hi
I recently suspicious that some one in my company join new additional domain controller to my primary DC and after replication and get the domain controller partitions ,he disjoint the new additional dc .
I got the his event in my dns log :
The DNS server was unable to create a resource record for d630907c-e2f4-41cf-a2c6-adc087f25f46._msdcs.metro.com. in zone metro.com. The Active Directory definition of this resource record is corrupt or contains an invalid DNS name. The event
data contains the error.
I want to translate the DNS alias sid :d630907c-e2f4-41cf-a2c6-adc087f25f46
to computer name in order to find who did this?
is there a way to find out previous DC computer name after hey disconnected or DC computer account deleted?
I wonder to know ho did this?
Regards

The guid you're referring to corresponds to the NTDS Settings object for the "lost" DC. You can do this in Powershell to get the DirectoryEntry for that guid:
[adsi]"LDAP://<GUID=d630907c-e2f4-41cf-a2c6-adc087f25f46>"
However, if the object has been deleted, you need to perform another query (in Powershell as well):
$guid = ([guid]"d630907c-e2f4-41cf-a2c6-adc087f25f46")
Get-ADObject -SearchBase "DC=metro,DC=com" -IncludeDeletedObjects -Filter { objectGuid -eq $guid }
Note that by default you need to be a member of Domain Admins or Administrators to be able to query AD for deleted objects.
Best Regards,
Carl S
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