SERVFAIL looking up TXT on subdomain (namecheap DNS)


#1

I’m trying to set up a server and request a cert, but no matter what I try, with either staging or not, letsencrypt keeps saying it can’t resolve the domain…

{
  "type": "dns-01",
  "status": "invalid",
  "error": {
    "type": "urn:acme:error:connection",
    "detail": "DNS problem: SERVFAIL looking up TXT for _acme-challenge.calamari.poshcode.com",
    "status": 400
  },
....
}

I think I’ve figured this out (with the help of StackOverflow) – it appears that the thing that’s failing was _acme-challenge.poshcode.com not _acme-challenge.calamari.poshcode.com but clearly if that’s the case, the challenge messages and error messages need to be corrected?


#2

For what FQDNs did you try to get a certificate? It’s quite unlikely (but not impossible of course ;)) that the error is incorrect.


#3

The domain I was trying to get the cert for is: calamari.poshcode.com

I did get it to go through (at least on the staging environment) after adding the TXT entry on _acme-challenge.poshcode.com


#4

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