DNS challenge failure

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
35/100
Issue type
Bug
Clarity
Needs clarification
Activity status
Quiet
Tech stack
javascript
Domain
security, web-dev

Research direction

Start by reproducing the DNS challenge from gethttpsforfree.com and compare it with the working file-based challenge. Trace the DNS-01 flow using the reported Let's Encrypt error, especially the NXDOMAIN lookup for _acme-challenge.xxx. Done means identifying why the TXT record is not visible to the validator and confirming a successful DNS challenge.

Written by the indexing model from the issue text.

Description

Using DNS challenge from https://gethttpsforfree.com/ get always the same error: Error:

Domain challenge failed. Please start back at Step 1. {"identifier":{"type":"dns","value”:”xxx”},”status":"invalid","expires":"2025-01-11T16:50:32Z","challenges":[{"type":"dns-01","url":"https://acme-v02.api.letsencrypt.org/acme/chall/1136737357/455526273385/9yyjqw","status":"invalid","validated":"2025-01-04T22:23:16Z","error":{"type":"urn:ietf:params:acme:error:dns","detail":"DNS problem: NXDOMAIN looking up TXT for _acme-challenge.xxx - check that a DNS record exists for this domain","status":400},"token":"kSIpDpOOY6o2yKDvaRg9VkWTYsJosd9V4C2-yWJfqjQ"}],"wildcard":true}

I wait for DNS propagation and check it with public tools. The file based challenge works fine. I appretiate so mach any help you can give.

Thanks.

Dominant language
JavaScript
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