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Tuesday, October 4, 2016

Common DNS query return messages and response codes and their meaning

Summary:

Common DNS query return messages and response codes and their meaning

Problem or Goal:

when trying to resolve a domain/host-name 

Cause:

DNS error

Solution:

DNS Return Message
DNS Response Code 
Function
 NOERROR
RCODE:0
 DNS Query completed successfully
 FORMERR
RCODE:1
 DNS Query Format Error
 SERVFAIL
RCODE:2
 Server failed to complete the DNS request
 NXDOMAIN
RCODE:3
 Domain name does not exist.  
 NOTIMP
RCODE:4
 Function not implemented
 REFUSED
RCODE:5
 The server refused to answer for the query
 YXDOMAIN
RCODE:6
 Name that should not exist, does exist
 XRRSET
RCODE:7
 RRset that should not exist, does exist
 NOTAUTH
RCODE:8
 Server not authoritative for the zone
 NOTZONE
RCODE:9
 Name not in zone

Problem Solved?
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