Let's Debug

Test result for wirepas.insolem.fr using http-01

Error
wirepas.insolem.fr has an A (IPv4) record (163.172.81.191) 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 "http://wirepas.insolem.fr/.well-known/acme-challenge/letsdebug-test": read tcp 172.104.24.29:55084->163.172.81.191:80: read: connection reset by peer

Trace:
@0ms: Making a request to http://wirepas.insolem.fr/.well-known/acme-challenge/letsdebug-test (using initial IP 163.172.81.191)
@0ms: Dialing 163.172.81.191
@147ms: Experienced error: read tcp 172.104.24.29:55084->163.172.81.191:80: read: connection reset by peer
A test authorization for wirepas.insolem.fr to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://wirepas.insolem.fr/.well-known/acme-challenge/4WZT4PV46o6t3PpTLZziLpfzZacK-hHoojc2kkwaZHc: Connection reset by peer
The current status as reported by the Let's Encrypt status page is Degraded Performance as at 2021-11-25 08:21:04.845 +0000 UTC. Depending on the reported problem, this may affect certificate issuance. For more information, please visit the status page.
https://letsencrypt.status.io/

Submitted Nov 25 15:42:20 2021. Sat in queue for 5ms. Completed in 6s. Show verbose information.