bitcompany.it has an AAAA (IPv6) record (2001:8d8:1800:195::1) 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 bitcompany.it/2001:8d8:1800:195::1: Get "http://bitcompany.it/.well-known/acme-challenge/letsdebug-test": dial tcp [2001:8d8:1800:195::1]:80: i/o timeout
Trace:
@0ms: Making a request to http://bitcompany.it/.well-known/acme-challenge/letsdebug-test (using initial IP 2001:8d8:1800:195::1)
@0ms: Dialing 2001:8d8:1800:195::1
@10000ms: Experienced error: dial tcp [2001:8d8:1800:195::1]:80: i/o timeout
Requests made to the domain
Request to: bitcompany.it/2001:8d8:1800:195::1, Result: [Address=2001:8d8:1800:195::1,Address Type=IPv6,Server=,HTTP Status=0], Issue: AAAANotWorking
Trace:
@0ms: Making a request to http://bitcompany.it/.well-known/acme-challenge/letsdebug-test (using initial IP 2001:8d8:1800:195::1)
@0ms: Dialing 2001:8d8:1800:195::1
@10000ms: Experienced error: dial tcp [2001:8d8:1800:195::1]:80: i/o timeout
Request to: bitcompany.it/82.165.254.63, Result: [Address=82.165.254.63,Address Type=IPv4,Server=Microsoft-IIS/10.0,HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://bitcompany.it/.well-known/acme-challenge/letsdebug-test (using initial IP 82.165.254.63)
@0ms: Dialing 82.165.254.63
@193ms: Server response: HTTP 404 Not Found
A and AAAA records found for this domain
bitcompany.it. 0 IN A 82.165.254.63
bitcompany.it. 0 IN AAAA 2001:8d8:1800:195::1
Challenge update failures for bitcompany.it in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/2936172854
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": 82.165.254.63: Invalid response from http://bitcompany.it/.well-known/acme-challenge/yb2JVKR7JailKwEP2h6L5o3IDB0346JiK4ryY6SSbdA: 404
The IANA public suffix is the TLD of the Registered Domain
The TLD for bitcompany.it is: it
The current status.io status for Let's Encrypt
Operational