We have added new DNS server which can be ping DNS server FQDN or IP but not by host name
On a new DC right? or end user computer? FYI: Only 02 new DCs can't be PING using Host name all existing DCs can be from any user workstation.
Dcdiag /v /c /d /e /s:%computername% >C:\dcdiag.log
repadmin /showrepl >C:\repl.txt
ipconfig /all > C:\dc1.txt
ipconfig /all > C:\dc2.txt
ipconfig /all > C:\dc3.txt
ipconfig /all > C:\problemworkstation.txt
unzipped text files up on [OneDrive] and share a link.
This is DNS suffix problem, make sure You have DNS suffixes on the Client systems.
Go to the IP4 Properties - click on advanced button at the bottom which will Advanced TCP/IP settings. GO to Append these DNS suffixes click on add and then Add domain.com there. click ok
It should resolve the problem.
The below thread discusses the same issue and you can try out some troubleshooting steps from this and see if that helps you to sort the Issue.
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