Internal private IP's in A records not resolving

I have a domain setup in Cloudflare, say, I have multiple public facing records for, A, CNAME, MX, and a wildcard resolver. All work.

I’ve added a number of new domains (e.g. which point to an internal class C address ( which aren’t resolving. There is no ‘cloud’ visible next to the listing, TTL is automatic and dnssec is disabled. Any ideas?

dig @ ``
;		IN	A

;; Query time: 14 msec

I use internal private IPs for some of my subdomains and they work. Just make sure the Name part in the DNS is list is only ‘foo’ and not ‘

Yup, I’ve got that

Without knowing what the real hostname is, that’s all the help the community can offer. You’ll have to open up a support ticket to get them to look at it.
Login to Cloudflare and then contact Cloudflare Support by clicking on the Get More Help button.

Try :slight_smile:

That one worked. If it’s not working for you, can you post the results of:
dig +short CHAOS TXT id.server @

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