Glue record in different domain

Berislav Todorovic BERI at etf.bg.ac.yu
Mon Jul 5 19:21:11 UTC 1999


In article <492476682.930931144961.JavaMail.qtran at hutch.East.Sun.COM>,
Christine.Tran at East.Sun.COM wrote:

> pb.com delegates goober.pb.com to ns.jelly.com.  Normally one would
> write an NS RR and a glue record in pb.com:
>         goober.pb.com.  IN      NS      ns.jelly.com.
>         ns.jelly.com.   IN      A       1.2.3.4
>
> but BIND 8.x will complain about ns.jelly.com. not in pb.com.

Naturally. See the Section 2.3 of RFC 1912 for detailed explanation.
You don't need glue "A" records for servers outside of pb.com.

>  Can I pull off a little deception and write the glue as:
>         goober.pb.com.          IN      NS      ns-jelly.pb.com.
>         ns-jelly.pb.com.        IN      A       1.2.3.4

That solution is correct and it may make sense if you don't have any
control over jelly.com. Otherwise, I don't see any good reason why
it should be done (it will just make you more pain, if you decide to
change the IP address of ns.jelly.com one day).

Regards,
Beri

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