MailEnable Enterprise Guide
DNS error codes and descriptions

The following table lists typical WIN32 DNS return codes. These return codes may appear in the SMTP Debug log file if the DNS is either incorrectly configured or there are DNS Errors being returned from the DNS Server.

9001

DNS server unable to interpret format.

9002

DNS server failure.

9003

DNS name does not exist.

9004

DNS request not supported by name server.

9005

DNS operation refused.

9006

DNS name that should not exist, does exist.

9007

DNS RR set that ought not to exist, does exist.

9008

DNS RR set that ought to exist, does not exist.

9009

DNS server not authoritative for zone.

9010

DNS name in update or prereq is not in zone.

9016

DNS signature failed to verify.

9017

DNS bad key.

9018

DNS signature validity expired.

9501

No records found for given DNS query

9502

Bad DNS packet

9503

No DNS packet 9504: DNS error, check rcode

9505

Unsecured DNS packet

1460

Timeout - This operation returned because the timeout period expired

 

 


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