What does “No answer or authority section in response from IP-ADDRESS to Root Name Server List.” mean?
This means that the server at IP-ADDRESS is not providing the customary response referring the inquirer to the root servers for a zone for which it is not authoritative. A properly configured non-recursive server will generate a return code of NXDOMAIN and return the root name server list. This will allow the inquirer to use the root name servers for a follow-up query. Properly configured servers should return SERVFAIL only under the following conditions: • The server is not configured to respond using EDNS0. • The server is not configured to support DNSSEC or does not understand the CD bit from that RFC. • The server detected an error when trying to load the root name server list (or hints) file. • The server would normally respond with information on this zone, but the zone data it has has expired. This is not likely for the root zone if the server is properly configured. • The server has discovered a run-time hash collision when configured to support NSEC3. • The server is attemptin