DNS: Difference between revisions

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1 Format Error
2 Server Failure
3 Name Error Name specified in query does not exist in domain, This code can be used by Authoritative Server for a zone (as it knows all objects & subdomains) or by caching server that.
This code can be used by Authoritative Server for a zone (as it knows all objects & subdomains)
Or by a caching server that implements negative caching.
4 Not Implemented Type of Query not supported by server.
5 Refused Server refused to process the query, generally for policy reasons - operations such as Zone Transfer are restricted, Server will honor Zone Transfer only from certain devices.