Since today, the renewal of my certificates fails, I'm getting the error "Challenge failed: CAA record for *.abrecht.li prevents issuance". It was working before for years, and I haven't changed anything. I do have a CAA record, and it does list letsencrypt: dpa@dragonfly:~$ nslookup -query=CAA abr…

Let’s Encrypt has recently started supporting validationmethods, which is why this started failing. Enabling ACME CAA Account and Method Binding You need to have dns-01 specified. Note the dash, which your entry is missing.

CAA record suddenly failing for wildcard certificates

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system Closed February 28, 2023, 3:22pm 7

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CAA record suddenly failing for wildcard certificates

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