Let's Debug

Test result for nmpi.hbpneuromorphic.eu using http-01

Error
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
@97ms: 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/PBHXso8olmb38RihCuG8s0R43G0XbJB-8nvyTC4V77g: Connection refused
Debug
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
@97ms: Experienced error: dial tcp 148.187.149.91:80: connect: connection refused

Debug
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/5751349/1210893458
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://nmpi.hbpneuromorphic.eu/.well-known/acme-challenge/PBHXso8olmb38RihCuG8s0R43G0XbJB-8nvyTC4V77g: Connection refused
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for nmpi.hbpneuromorphic.eu is: eu
Debug
3 Certificates contributing to rate limits for this domain

Serial: 275089025445176922931942064483515289591554
NotBefore: 2021-12-07 09:34:35 +0000 UTC
Names: [job-manager.hbpneuromorphic.eu]

Serial: 326134995016926911861805436601484747708438
NotBefore: 2021-12-07 09:31:49 +0000 UTC
Names: [nmpi-staging.hbpneuromorphic.eu]

Serial: 277310704376979825500762706183628477143886
NotBefore: 2021-12-07 09:18:40 +0000 UTC
Names: [nmpi-staging.hbpneuromorphic.eu]

Debug
The current status.io status for Let's Encrypt
Operational

Submitted Dec 7 10:54:31 2021. Sat in queue for 3ms. Completed in 3s. Hide verbose information.