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How does a DNS server know it is authoritative?

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martache27

martache27

Technical User
Dec 1, 2005
22
US
Does any one out there know how a DNS server knows that it is authoritative? If it is a primary DNS server for the zone then it is authoritative. Any suggestions would be helpful.
 
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Because the zone is defined in the config file (/etc/named.conf for BIND on *nix) as a master or slave and the zone also lists the authoratative name servers.

Chris.

**********************
Chris A.C, CCNA, CCSA
**********************
 
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Also the authoritative server would be the one with an SOA (Start of Authority record)
 
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