Re: [DNSOP] Glue is not optional, but sometimes it *is* sufficient...

[Warren Kumari <[e-mail]>]

On Thu, May 21, 2020 at 5:41 PM John Levine <[e-mail]> wrote:
>
> In article <CAHw9_i+UsV9NkuPM4KYBZhO7_J78MkUEyVR3fr=[e-mail]> you write:
> >What if you *only* have glue, and no authoritative answer / server?
> >Can I register example.com, put in www.example.com A 192.0.2.1 as
> >glue, and not bother with this whole annoying authoritative server
> >thing?
>
> Based on my recent analysis of TLD zones, yes if the zone is managed by
> Afilias, or if you have friends at Nominet.  Otherwise not so much.
>
> For wow4dns.com it looks pretty normal other than that your NS is lame.
>
> Here's what's in this morning's .COM zone file, but I assume you've updated the NS since then:
>
> WOW4DNS NS NS1.AUTH-SERVERS.NET.
> WOW4DNS NS NS2.AUTH-SERVERS.NET.
>

Yeah, that was earlier in the day (before the testing, etc).


> Your registrar record and the live .COM NS say:
>
> $ dig @g.gtld-servers.net. wow4dns.com a
> ; (2 servers found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45456
> ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 3
> ;; WARNING: recursion requested but not available
>
> ;; OPT PSEUDOSECTION:
> ; EDNS: version: 0, flags:; udp: 4096
> ;; QUESTION SECTION:
> ;wow4dns.com.                   IN      A
>
> ;; AUTHORITY SECTION:
> wow4dns.com.            172800  IN      NS      www.wow4dns.com.
> wow4dns.com.            172800  IN      NS      www1.wow4dns.com.
>
> ;; ADDITIONAL SECTION:
> www.wow4dns.com.        172800  IN      A       193.151.173.35
> www1.wow4dns.com.       172800  IN      A       193.151.173.35

Yes -- but information in the additional section should not be
promoted to an answer.
These IPs are only in the ADDITIONAL section - they should not be used
as answers.

W

>
> R's,
> John



-- 
I don't think the execution is relevant when it was obviously a bad
idea in the first place.
This is like putting rabid weasels in your pants, and later expressing
regret at having chosen those particular rabid weasels and that pair
of pants.
   ---maf