image/svg+xml
Domain Name Space
2005-10-25
Lion Kimbro
Public Domain
Domain Name System (DNS) resource record (RR) zone nameserver delegation
A diagram of Domain Name Space. Sets of resource records at each node in a tree. Zoom in explanation on zone delegation.
Lion Kimbro
Domain Name Space
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resource recordsassociated with name
see also: RFC 1034 4.2:How the database is divided into zones.
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zone of authority,managed by a name server
"delegated subzone"
"zone delegation"
NS RR ("resource record")names the nameserverauthoritative fordelegated subzone
When a system administratorwants to let another administratormanage a part of a zone, the firstadministrator's nameserver delegatespart of the zone to anothernameserver.