checking subnet delegation?

[online-reg]

> > Hi All: I have a /28 that was supposed to be delegated to my NS by my 
> > ISP.
> >
> > How can I check that it is correctly delegated? I have the in-addr.arpa
> > zone
> > configured in my NS and it resolves properly when I test it locally, but 
> > if
> > I test using a remote service no reverse is found.
>
> dig +trace -x 216.218.227.128
>
> >
> > The subnet is 216.218.227.128/28
> >
> > it should be delegated to ns.enigmedia.com and ns1.enigmedia.com
>
> You'll see that the trace ends in a CNAME to the sub-/24 zone, along with 
> NS records:
>
> 128.227.218.216.in-addr.arpa. 86400 IN CNAME 
> 128.128-143.227.218.216.in-addr.arpa.
> 128-143.227.218.216.in-addr.arpa. 86400 IN NS ns.enigmedia.com.
> 128-143.227.218.216.in-addr.arpa. 86400 IN NS ns1.enigmedia.com.
>
> ...which looks correct to me?

Thanks for the proper query syntax, Phil!