Unable to install Let's Encrypt: SERVFAIL looking up CAA for example.com

Created:

2017-08-10 15:30:07 UTC

Modified:

2017-08-10 16:27:54 UTC

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Unable to install Let's Encrypt: SERVFAIL looking up CAA for example.com

Symptoms

Unable to install Let's Encrypt:

SERVFAIL looking up CAA for example.com

Domain's name servers resolve to a third-party server

Cause

Third-party name servers are misconfigured. Name servers CAA record does not exist in Plesk as Plesk so far does not support it. Normally when there is a record like CAA missing on a domain, name server would return "no record" instead of SERVFAIL.

Resolution

Contact third-party name servers owners to check why they return SERVFAIL error.

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