Let's Debug

Test result for lms.kairosmining.com using http-01

Error
lms.kairosmining.com has an A (IPv4) record (200.75.4.214) 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://lms.kairosmining.com/.well-known/acme-challenge/letsdebug-test": dial tcp 200.75.4.214:80: connect: no route to host

Trace:
@0ms: Making a request to http://lms.kairosmining.com/.well-known/acme-challenge/letsdebug-test (using initial IP 200.75.4.214)
@0ms: Dialing 200.75.4.214
@3153ms: Experienced error: dial tcp 200.75.4.214:80: connect: no route to host
A test authorization for lms.kairosmining.com to the Let's Encrypt staging service has revealed issues that may prevent any certificate for this domain being issued.
200.75.4.214: Fetching http://lms.kairosmining.com/.well-known/acme-challenge/3WDJR0F85sdpw9IUNVbL_RJCFzrOpRQOLN-Yevs3cAk: Error getting validation data
Debug
Requests made to the domain
Request to: lms.kairosmining.com/200.75.4.214, Result: [Address=200.75.4.214,Address Type=IPv4,Server=,HTTP Status=0], Issue: ANotWorking
Trace:
@0ms: Making a request to http://lms.kairosmining.com/.well-known/acme-challenge/letsdebug-test (using initial IP 200.75.4.214)
@0ms: Dialing 200.75.4.214
@3153ms: Experienced error: dial tcp 200.75.4.214:80: connect: no route to host

Debug
A and AAAA records found for this domain
lms.kairosmining.com. 0 IN A 200.75.4.214
Challenge update failures for lms.kairosmining.com in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/12271494454
acme: error code 400 "urn:ietf:params:acme:error:connection": 200.75.4.214: Fetching http://lms.kairosmining.com/.well-known/acme-challenge/3WDJR0F85sdpw9IUNVbL_RJCFzrOpRQOLN-Yevs3cAk: Error getting validation data
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for lms.kairosmining.com is: com
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Nov 15 03:22:41 2023. Sat in queue for 4ms. Completed in 15s. Hide verbose information.