nmpi.hbpneuromorphic.eu has an A (IPv4) record (148.187.149.91) 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://nmpi.hbpneuromorphic.eu/.well-known/acme-challenge/letsdebug-test": dial tcp 148.187.149.91:80: connect: connection refused
Trace:
@0ms: Making a request to http://nmpi.hbpneuromorphic.eu/.well-known/acme-challenge/letsdebug-test (using initial IP 148.187.149.91)
@0ms: Dialing 148.187.149.91
@93ms: Experienced error: dial tcp 148.187.149.91:80: connect: connection refused
A test authorization for nmpi.hbpneuromorphic.eu to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://nmpi.hbpneuromorphic.eu/.well-known/acme-challenge/zOTp-jAtU--pNlsqekl0UQ7m2klhYi5dKJMc_Mk-yEQ: Connection refused
Requests made to the domain
Request to: nmpi.hbpneuromorphic.eu/148.187.149.91, Result: [Address=148.187.149.91,Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://nmpi.hbpneuromorphic.eu/.well-known/acme-challenge/letsdebug-test (using initial IP 148.187.149.91)
@0ms: Dialing 148.187.149.91
@93ms: Experienced error: dial tcp 148.187.149.91:80: connect: connection refused
A and AAAA records found for this domain
nmpi.hbpneuromorphic.eu. 0 IN A 148.187.149.91
Challenge update failures for nmpi.hbpneuromorphic.eu in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/1210377118
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://nmpi.hbpneuromorphic.eu/.well-known/acme-challenge/zOTp-jAtU--pNlsqekl0UQ7m2klhYi5dKJMc_Mk-yEQ: Connection refused
The IANA public suffix is the TLD of the Registered Domain
The TLD for nmpi.hbpneuromorphic.eu is: eu
The current status.io status for Let's Encrypt
Operational