Today I started having issue with my DNS resolution and can't quite find out how to fix this issue. I have two DNS servers on my network and the primary domain controller cannot reach UPS.com but the secondary server can. On the primary server I can reach most sites but when it comes to UPS it cannot. I have restarted the server and checked the DNS settings on the NIC and all looks good however I am unable to reach UPS on that computer and since this is the primary domain controller my users cannot access the site either.
What can I do to find out what is causing this configuration error
When I ping the ISP DNS servers the first server times out half the time and the secondary never times out. Could that be the issue?
It certainly could. If the "primary" DC has the ISP DNS servers configured
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