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Root domain constantly added with doubled name (OVH only?) #2403

Closed as not planned
@dominch

Description

@dominch

What happened:
I registered domain something.space (cheap domain for tests) via OVH and would like to use that for nginx. I need to set it up to point to my IP (ie 11.22.33.44) with and without www subdomain.
Tried record A and CNAME and they are working correctly for subdomains, and not for main domain.
Subdomains are registered as:
www.something.space. A 11.22.33.44
but main domain is:
something.space.something.space. A 11.22.33.44
..and it's constantly added, no txt record is stored.

What you expected to happen:
There should be no difference with those two

How to reproduce it (as minimally and precisely as possible):
This example shows problem on my side:

kind: Service
apiVersion: v1
metadata:
  name: nginx-test-4
  annotations:
    external-dns.alpha.kubernetes.io/hostname: something.space
spec:
  type: ExternalName
  externalName: 11.22.33.44

This should register CNAME for this IP, generated name is something.space.something.space

Anything else we need to know?:
I'm not yet sure if it's caused by that strange domain name (*.space) or it's bug in OVH provider. From debug logs I can see that it creates that doubled name for main domain and only subdomain for subdomains.

Environment:

  • External-DNS version (use external-dns --version): 0.7.6, but also checked latest
  • DNS provider: OVH
  • Others: *.space domain which is quite odd but cheap to test out.

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