A test authorization for www.tech-check.ch to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://www.tech-check.ch/.well-known/acme-challenge/aEDy3A9-Xg6Sas4Q8A4K1hzkdTRaFEJmqwMz-js14Ms: Connection refused
Requests made to the domain
Request to: www.tech-check.ch/94.231.94.122, Result: [Address Type=IPv4,Server=nginx,HTTP Status=301,Number of Redirects=1,Final HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://www.tech-check.ch/.well-known/acme-challenge/letsdebug-test (using initial IP 94.231.94.122)
@0ms: Dialing 94.231.94.122
@192ms: Server response: HTTP 301 Moved Permanently
@192ms: Received redirect to https://www.tech-check.ch/.well-known/acme-challenge/letsdebug-test
@192ms: Dialing 94.231.94.122
@590ms: Server response: HTTP 404 Not Found
A and AAAA records found for this domain
www.tech-check.ch. 0 IN A 94.231.94.122
Challenge update failures for www.tech-check.ch in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/7823632
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://www.tech-check.ch/.well-known/acme-challenge/aEDy3A9-Xg6Sas4Q8A4K1hzkdTRaFEJmqwMz-js14Ms: Connection refused
The IANA public suffix is the TLD of the Registered Domain
The TLD for www.tech-check.ch is: ch
The current status.io status for Let's Encrypt
Operational