no glue A record in child domain

Mark Andrews marka at isc.org
Sat Jul 18 14:22:08 UTC 2009


In message <961314.13824.qm at web15606.mail.cnb.yahoo.com>, "Tech W." writes:
> 
> Hello gurus,
> 
> Say I have this glue record in parent's DNS:
> 
> child.example.com.  IN NS  ns.child.example.com.
> ns.child.example.com. IN A  12.34.56.78
> 
> Then in child's zone file, I don't include the A record for  "ns.child.exampl
> e.com.".

	Then you have a broken delegation.
 
> What will be happened? Does it affect client's query to other records in this
> child domain?

	Lookups will fail sooner or later when the interative
	resolver learns that the A record does not exist.  It just
	a matter of time.

	Mark
 
> Thanks.
> 
> 
> Regards,
> Wah.
> 
> 
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Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org



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