Let's Debug

Test result for mail.topperfloats.com using http-01

mail.topperfloats.com has an AAAA (IPv6) record (2607:f650:0:1::10) 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 mail.topperfloats.com/2607:f650:0:1::10: Get "http://mail.topperfloats.com/.well-known/acme-challenge/letsdebug-test": dial tcp [2607:f650:0:1::10]:80: i/o timeout

Trace:
@0ms: Making a request to http://mail.topperfloats.com/.well-known/acme-challenge/letsdebug-test (using initial IP 2607:f650:0:1::10)
@0ms: Dialing 2607:f650:0:1::10
@10000ms: Experienced error: dial tcp [2607:f650:0:1::10]:80: i/o timeout
Error
mail.topperfloats.com has an A (IPv4) record (74.85.224.14) 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.
A timeout was experienced while communicating with mail.topperfloats.com/74.85.224.14: Get "http://mail.topperfloats.com/.well-known/acme-challenge/letsdebug-test": context deadline exceeded

Trace:
@0ms: Making a request to http://mail.topperfloats.com/.well-known/acme-challenge/letsdebug-test (using initial IP 74.85.224.14)
@0ms: Dialing 74.85.224.14
@10000ms: Experienced error: context deadline exceeded
A test authorization for mail.topperfloats.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
Fetching http://mail.topperfloats.com/.well-known/acme-challenge/JEMzTXgNla-j-8CbR-701HcfLM8Mqm9Ymm9f6ZurHmo: Timeout during connect (likely firewall problem)
Debug
Requests made to the domain
Request to: mail.topperfloats.com/2607:f650:0:1::10, Result: [Address=2607:f650:0:1::10,Address Type=IPv6,Server=,HTTP Status=0], Issue: AAAANotWorking
Trace:
@0ms: Making a request to http://mail.topperfloats.com/.well-known/acme-challenge/letsdebug-test (using initial IP 2607:f650:0:1::10)
@0ms: Dialing 2607:f650:0:1::10
@10000ms: Experienced error: dial tcp [2607:f650:0:1::10]:80: i/o timeout

Request to: mail.topperfloats.com/74.85.224.14, Result: [Address=74.85.224.14,Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://mail.topperfloats.com/.well-known/acme-challenge/letsdebug-test (using initial IP 74.85.224.14)
@0ms: Dialing 74.85.224.14
@10000ms: Experienced error: context deadline exceeded

Debug
A and AAAA records found for this domain
mail.topperfloats.com. 0 IN A 74.85.224.14
mail.topperfloats.com. 0 IN AAAA 2607:f650:0:1::10
Challenge update failures for mail.topperfloats.com in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/5023141
acme: error code 400 "urn:ietf:params:acme:error:connection": Fetching http://mail.topperfloats.com/.well-known/acme-challenge/JEMzTXgNla-j-8CbR-701HcfLM8Mqm9Ymm9f6ZurHmo: Timeout during connect (likely firewall problem)
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for mail.topperfloats.com is: com
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Mar 8 21:07:33 2021. Sat in queue for 1ms. Completed in 26s. Hide verbose information.