Let's Debug

Test result for my.pelvan.host using http-01

Error
my.pelvan.host has an A (IPv4) record (37.221.92.47) 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://my.pelvan.host/.well-known/acme-challenge/letsdebug-test": read tcp 172.104.24.29:51658->37.221.92.47:80: read: connection reset by peer

Trace:
@0ms: Making a request to http://my.pelvan.host/.well-known/acme-challenge/letsdebug-test (using initial IP 37.221.92.47)
@0ms: Dialing 37.221.92.47
@173ms: Experienced error: read tcp 172.104.24.29:51658->37.221.92.47:80: read: connection reset by peer
A test authorization for my.pelvan.host to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
37.221.92.47: Fetching https://my.pelvan.host/.well-known/acme-challenge/XhfDJCY273lh5tnh2s04kjvfN1gHXV7BsiP13Mw3RGA: Connection reset by peer
Debug
Requests made to the domain
Request to: my.pelvan.host/37.221.92.47, Result: [Address=37.221.92.47,Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://my.pelvan.host/.well-known/acme-challenge/letsdebug-test (using initial IP 37.221.92.47)
@0ms: Dialing 37.221.92.47
@173ms: Experienced error: read tcp 172.104.24.29:51658->37.221.92.47:80: read: connection reset by peer

Debug
A and AAAA records found for this domain
my.pelvan.host. 0 IN A 37.221.92.47
Challenge update failures for my.pelvan.host in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/7300962934
acme: error code 400 "urn:ietf:params:acme:error:connection": 37.221.92.47: Fetching https://my.pelvan.host/.well-known/acme-challenge/XhfDJCY273lh5tnh2s04kjvfN1gHXV7BsiP13Mw3RGA: Connection reset by peer
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for my.pelvan.host is: host
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Feb 19 00:53:12 2023. Sat in queue for 3ms. Completed in 7s. Hide verbose information.