DNS Server responding with the wrong IP address.

UMPH_User
UMPH_User used Ask the Experts™
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We have an three external DNS servers; one primary and two secondary. All records are static for our public websites.

The primary and secondary DNS servers are responding with the wrong IP address for a specific subdomain. I cannot find anyplace where this IP address is listed in that zone. It is a IP address we own. The specific subdomain is delegated to a load balancer for DNS load balancing. If I query the load balancer specifically, the response is correct. Queries to the three DNS servers are incorrect.

I've tried clearing cache, deleting, and recreating the zone from scratch. When I deleted the zone, it still responded with the wrong IP address for the subdomain. I am completely baffled.

The primary DNS server is Windows Server 2008 Standard with only the DNS role installed. The secondary DNS servers are Windows Server 2008 Core.
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Miguel Angel Perez Muñoz

Commented:
How are making test? sounds a defective cache on third party DNS.
UMPH_User

Author

Commented:
I am querying the DNS server directly.
UMPH_User

Author

Commented:
I guess in a way, it's kind of like a ghost A record.
Commented:
Found the problem.

Somehow a separate zone with the subdomain was only present on one of the secondary DNS servers. Once I removed it, everything was okay.
UMPH_User

Author

Commented:
Bad configuration?

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