reverse delegation from Telco

Fajar A. Nugraha work at
Fri Nov 4 06:29:43 UTC 2011

On Fri, Nov 4, 2011 at 1:11 PM, Jim Pazarena <bind at> wrote:
> but that non-auth kinda bugs me, because for my 'full' /24 subnets,
> that never happens. And it's delegated from the same Telco (Telus)

That's because "full" /24 subnets can be delegated easily using
subdomains, while a /28 needs classless delegation
(, which requires the use of

As Chris said, your nameserver is NOT authoritave for the PTR record
(, which is a CNAME to, but it IS authorized for the PTR


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