Pingdom error: "No delegation could be found at the parent" when analyzing subdomain

Question

I have a subdomain dramarsarin.crimsonandcyan.com which i wanted to point to another server. I added an A record in the zone file for crimsonandcyan.com with the host 'dramarsarin' and pointed it to the server's ip address.

Now when i do a dns check on pingdom.com for my subdomain, i get this:

No delegation could be found at the parent, making your zone unreachable from the Internet.

How can i fix this? I do see that sometimes it takes too long to resolve the subdomain. That is why i think the analysis of pingdom.com is pretty valid.

Did you update NS record for this domain at any point? `dig NS crimsonandcyan.com` returns an empty response sometimes, this is likely the reason why you are getting this error from pingdom.com as well. — grekasius, Jun 29 '14 at 08:37
Yes i did, but not recently. But i've checked that now they are set correctly. — Kanishk Dudeja, Jun 29 '14 at 09:41
Disregarding the Pingdom error which looks to be a red herring, can you include `dig` output which demonstrates the problem? — Håkan Lindqvist, Jun 29 '14 at 11:45
I tried the dig command, but i think everything works fine. Can i ignore the pingdom error? — Kanishk Dudeja, Jun 30 '14 at 06:27
Possible duplicate of [Delegation not found at parent...?](https://serverfault.com/questions/460653/delegation-not-found-at-parent) — Thomas the Tank Engine, May 16 '17 at 16:32

score 8 · Accepted Answer · answered Jun 29 '14 at 11:38

8

The Pingdom DNS check tool does not clearly state this but from its behavior it's clear that it expects the name of a zone, not just any domain name.

Ie, whatever you enter it expects that it should be a zone of its own (with delegation in place), which will not be the case in your example.

answered Jun 29 '14 at 11:38

Håkan Lindqvist

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Right. So do i actually need to make a zonefile separately for the subdomain? – Kanishk Dudeja Jun 30 '14 at 06:25
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@KanishkDudeja No. It's just that the pingdom check is not suitable for this purpose. – Håkan Lindqvist Jun 30 '14 at 11:33

Pingdom error: "No delegation could be found at the parent" when analyzing subdomain

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