is this a valid zone file?

Jack Tavares j.tavares at F5.com
Sun Dec 21 11:54:07 UTC 2008


Looking at rfc2317

I see the example zone file

$ORIGIN 2.0.192.in-addr.arpa.
   @       IN      SOA     my-ns.my.domain. hostmaster.my.domain. (...)
   ;...
   ;  <<0-127>> /25
   0/25            NS      ns.A.domain.
   0/25            NS      some.other.name.server.
   ;
   1               CNAME   1.0/25.2.0.192.in-addr.arpa.
   2               CNAME   2.0/25.2.0.192.in-addr.arpa.
   3               CNAME   3.0/25.2.0.192.in-addr.arpa.
   ;
   ;  <<128-191>> /26
   128/26          NS      ns.B.domain.
   128/26          NS      some.other.name.server.too.
   ;
   129             CNAME   129.128/26.2.0.192.in-addr.arpa.
   130             CNAME   130.128/26.2.0.192.in-addr.arpa.
   131             CNAME   131.128/26.2.0.192.in-addr.arpa.
   ;
   ;  <<192-255>> /26
   192/26          NS      ns.C.domain.
   192/26          NS      some.other.third.name.server.
   ;
   193             CNAME   193.192/26.2.0.192.in-addr.arpa.
   194             CNAME   194.192/26.2.0.192.in-addr.arpa.
   195             CNAME   195.192/26.2.0.192.in-addr.arpa.



That has no NS server defined for the zone, just the ranges of the zone.
Is that valid?

o
--
Jack Tavares


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