Let's Debug

Test result for 20842.org using http-01

20842.org has an AAAA (IPv6) record (2600:3c03::f03c:92ff:fed9:43b4) 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.
Get "http://20842.org/.well-known/acme-challenge/letsdebug-test": dial tcp [2600:3c03::f03c:92ff:fed9:43b4]:80: connect: connection refused

Trace:
@0ms: Making a request to http://20842.org/.well-known/acme-challenge/letsdebug-test (using initial IP 2600:3c03::f03c:92ff:fed9:43b4)
@0ms: Dialing 2600:3c03::f03c:92ff:fed9:43b4
@0ms: Experienced error: dial tcp [2600:3c03::f03c:92ff:fed9:43b4]:80: connect: connection refused
Error
20842.org has an A (IPv4) record (97.107.137.48) 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://20842.org/.well-known/acme-challenge/letsdebug-test": dial tcp 97.107.137.48:80: connect: connection refused

Trace:
@0ms: Making a request to http://20842.org/.well-known/acme-challenge/letsdebug-test (using initial IP 97.107.137.48)
@0ms: Dialing 97.107.137.48
@1ms: Experienced error: dial tcp 97.107.137.48:80: connect: connection refused
A test authorization for 20842.org to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://20842.org/.well-known/acme-challenge/P7uBQFyjQ9d3JT4QnlD408JYtYuYPKmxEsSc2oLcwQQ: Connection refused
Debug
Requests made to the domain
Request to: 20842.org/2600:3c03::f03c:92ff:fed9:43b4, Result: [Address=2600:3c03::f03c:92ff:fed9:43b4,Address Type=IPv6,Server=,HTTP Status=0], Issue: AAAANotWorking
Trace:
@0ms: Making a request to http://20842.org/.well-known/acme-challenge/letsdebug-test (using initial IP 2600:3c03::f03c:92ff:fed9:43b4)
@0ms: Dialing 2600:3c03::f03c:92ff:fed9:43b4
@0ms: Experienced error: dial tcp [2600:3c03::f03c:92ff:fed9:43b4]:80: connect: connection refused

Request to: 20842.org/97.107.137.48, Result: [Address=97.107.137.48,Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://20842.org/.well-known/acme-challenge/letsdebug-test (using initial IP 97.107.137.48)
@0ms: Dialing 97.107.137.48
@1ms: Experienced error: dial tcp 97.107.137.48:80: connect: connection refused

Debug
A and AAAA records found for this domain
20842.org. 0 IN A 97.107.137.48
20842.org. 0 IN AAAA 2600:3c03::f03c:92ff:fed9:43b4
Challenge update failures for 20842.org in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/189110199
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://20842.org/.well-known/acme-challenge/P7uBQFyjQ9d3JT4QnlD408JYtYuYPKmxEsSc2oLcwQQ: Connection refused
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for 20842.org is: org
Debug
1 Certificates contributing to rate limits for this domain

Serial: 348306077536781186008167828477412321227608
NotBefore: 2020-11-21 01:42:52 +0000 UTC
Names: [20842.org]

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

Submitted Nov 22 00:31:12 2020. Sat in queue for 2ms. Completed in 3s. Hide verbose information.