dig for domain registration

[Scott Haneda]

On Jan 23, 2009, at 2:01 AM, Stephane Bortzmeyer wrote:

> On Thu, Jan 22, 2009 at 01:16:00PM -0800,
> Scott Haneda <talklists at newgeo.com> wrote
> a message of 18 lines which said:
>
>> If I do `dig NS example.com` and grep out my NS, does that suffice
>> for making sure my primary and secondary are listed?
>
> It depends on the TLD policy. For ".com", as far as I know, there is
> no reservation: if a domain is registered, it is published in the DNS
> so your test with dig is sound. For ".fr", in March, we will start to
> allow reservation (a domain will be registered without being
> published in the DNS) so a similar test will not work.


Thanks.
I ended up with this script
dig example.com NS +trace @4.2.2.1 | grep -i ns1.example.com

If I get a result from dig, I am relatively certain the domain is  
registered with my NS in it.
--
Scott