nc.666s.de has an AAAA (IPv6) record (2a03:4000:69:ef3:666:666:0:6) but a test request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address. You should either ensure that validation requests to this domain succeed over IPv6, or remove its AAAA record.
Get "http://nc.666s.de/.well-known/acme-challenge/letsdebug-test": dial tcp [2a03:4000:69:ef3:666:666:0:6]:80: connect: connection refused
Trace:
@0ms: Making a request to http://nc.666s.de/.well-known/acme-challenge/letsdebug-test (using initial IP 2a03:4000:69:ef3:666:666:0:6)
@0ms: Dialing 2a03:4000:69:ef3:666:666:0:6
@99ms: Experienced error: dial tcp [2a03:4000:69:ef3:666:666:0:6]:80: connect: connection refused
nc.666s.de has an A (IPv4) record (185.243.10.172) but a request to this address over port 80 did not succeed. Your web server must have at least one working IPv4 or IPv6 address.
A timeout was experienced while communicating with nc.666s.de/185.243.10.172: Get "http://nc.666s.de/.well-known/acme-challenge/letsdebug-test": context deadline exceeded
Trace:
@0ms: Making a request to http://nc.666s.de/.well-known/acme-challenge/letsdebug-test (using initial IP 185.243.10.172)
@0ms: Dialing 185.243.10.172
@10001ms: Experienced error: context deadline exceeded
Requests made to the domain
Request to: nc.666s.de/2a03:4000:69:ef3:666:666:0:6, Result: [Address=2a03:4000:69:ef3:666:666:0:6,Address Type=IPv6,Server=,HTTP Status=0], Issue: AAAANotWorking
Trace:
@0ms: Making a request to http://nc.666s.de/.well-known/acme-challenge/letsdebug-test (using initial IP 2a03:4000:69:ef3:666:666:0:6)
@0ms: Dialing 2a03:4000:69:ef3:666:666:0:6
@99ms: Experienced error: dial tcp [2a03:4000:69:ef3:666:666:0:6]:80: connect: connection refused
Request to: nc.666s.de/185.243.10.172, Result: [Address=185.243.10.172,Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://nc.666s.de/.well-known/acme-challenge/letsdebug-test (using initial IP 185.243.10.172)
@0ms: Dialing 185.243.10.172
@10001ms: Experienced error: context deadline exceeded
A and AAAA records found for this domain
nc.666s.de. 0 IN A 185.243.10.172
nc.666s.de. 0 IN AAAA 2a03:4000:69:ef3:666:666:0:6
Challenge update failures for nc.666s.de in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/4692887274
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": 185.243.10.172: Invalid response from http://nc.666s.de/.well-known/acme-challenge/KBAhLAlorsKfW2fOdE-o3NSsVSBBt9PlvweGsFrrdAQ: 403
The IANA public suffix is the TLD of the Registered Domain
The TLD for nc.666s.de is: de
1 Certificates contributing to rate limits for this domain
Serial: 271436003375383981922615948917559950195825
NotBefore: 2022-10-19 20:40:47 +0000 UTC
Names: [666s.de ida-kaefer.de julius-kaefer.de kaefer.rocks www.666s.de www.ida-kaefer.de www.julius-kaefer.de www.kaefer.rocks]
The current status.io status for Let's Encrypt
Operational