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Unable to install Let's Encrypt wildcard certificate: No TXT record found at _acme-challenge.example.com

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Gabriel Aznarez
Updated
Plesk for Windows Plesk for Linux kb: technical

Applicable to:

  • Plesk for Linux
  • Plesk for Windows

Symptom

  • Unable to install wildcard certificate for a domain or sub-domain in Domains > example.com > SSL/TLS Certificates, details show:

    PLESK_ERROR: Invalid response from https://acme-v02.api.letsencrypt.org/acme/authz/RHm6H_sWJY3zeKbRluriIimo-FQ2RlGasXXXEEfyVZmo.
    Details:
    Type: urn:ietf:params:acme:error:unauthorized
    Status: 403
    Detail: No TXT record found at _acme-challenge.example.com

  • Domain DNS Zone is hosted and managed by external DNS hosting provider.

  • Plesk DNS management is enabled in Domain > example.com > DNS Settings.

Cause

The _acme-challenge.example.com TXT DNS record needed by Let's Encrypt is invalid or absent on the external DNS provider side.

Resolution

  • Issue a new Let's Encrypt Wildcard Certificate by adding the _acme-challenge.example.com TXT DNS record on the DNS hosting provider side as is instructed on this article.

Comments

1 comment

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  • Avatar
    Jessica Crothers (Edited )

    The suggested resolution does not provide a solution. The _acme-challenge.example.com TXT DNS record appears in the DNS records list. It appears that my TXT DNS record is not propagating. How do I resolve that? 

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