Let's Debug

Test result for chez.jcz.fr using http-01

chez.jcz.fr has an AAAA (IPv6) record (2a02:842b:8eda:b301::100) 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.
A timeout was experienced while communicating with chez.jcz.fr/2a02:842b:8eda:b301::100: Get "http://chez.jcz.fr/.well-known/acme-challenge/letsdebug-test": context deadline exceeded

Trace:
@0ms: Making a request to http://chez.jcz.fr/.well-known/acme-challenge/letsdebug-test (using initial IP 2a02:842b:8eda:b301::100)
@0ms: Dialing 2a02:842b:8eda:b301::100
@10001ms: Experienced error: context deadline exceeded
Error
chez.jcz.fr has an A (IPv4) record (93.1.176.46) 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.
Get "https://chez.jcz.fr/.well-known/acme-challenge/letsdebug-test": remote error: tls: certificate required

Trace:
@0ms: Making a request to http://chez.jcz.fr/.well-known/acme-challenge/letsdebug-test (using initial IP 93.1.176.46)
@0ms: Dialing 93.1.176.46
@201ms: Server response: HTTP 301 Moved Permanently
@201ms: Received redirect to https://chez.jcz.fr/.well-known/acme-challenge/letsdebug-test
@202ms: Dialing 93.1.176.46
@507ms: Experienced error: remote error: tls: certificate required
A test authorization for chez.jcz.fr to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
93.1.176.46: Fetching https://chez.jcz.fr/.well-known/acme-challenge/y2_Om9gDc3lKLjvVdzDibWDtnbJz3HvS4tHb597eRVo: Timeout during connect (likely firewall problem)

Submitted Feb 20 05:41:20 2023. Sat in queue for 8ms. Completed in 42s. Show verbose information.