A validation request to this domain resulted in an HTTP request being made to a port that expects to receive HTTPS requests. This could be the result of an incorrect redirect (such as to http://example.com:443/) or it could be the result of a webserver misconfiguration, such as trying to enable SSL on a port 80 virtualhost.
@0ms: Making a request to http://portman.no-ip.biz/.well-known/acme-challenge/letsdebug-test (using initial IP 216.221.7.112)
@0ms: Dialing 216.221.7.112
@36ms: Server response: HTTP 400 Bad Request
Requests made to the domain
Request to: portman.no-ip.biz/216.221.7.112, Result: [Address=216.221.7.112,Address Type=IPv4,Server=Apache/2.4.41 (Ubuntu),HTTP Status=400], Issue:
Trace:
@0ms: Making a request to http://portman.no-ip.biz/.well-known/acme-challenge/letsdebug-test (using initial IP 216.221.7.112)
@0ms: Dialing 216.221.7.112
@36ms: Server response: HTTP 400 Bad Request
A and AAAA records found for this domain
portman.no-ip.biz. 0 IN A 216.221.7.112
Challenge update failures for portman.no-ip.biz in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/7848120094
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": 216.221.7.112: Invalid response from http://portman.no-ip.biz/.well-known/acme-challenge/F_CwdD7DhCSZc8IZNIIIOVMkhJWhwwXhdgGr87vvHIY: 400
The IANA public suffix is the TLD of the Registered Domain
The TLD for portman.no-ip.biz is: biz
The current status.io status for Let's Encrypt
Operational