Let's Debug

Test result for ci.possumlab.com using http-01

Debug
Requests made to the domain
Request to: ci.possumlab.com/40.122.110.221, Result: [Address Type=IPv4,Server=nginx/1.15.10,HTTP Status=308,Number of Redirects=1,Final HTTP Status=200], Issue:
Trace:
@0ms: Making a request to http://ci.possumlab.com/.well-known/acme-challenge/letsdebug-test (using initial IP 40.122.110.221)
@0ms: Dialing 40.122.110.221
@79ms: Server response: HTTP 308 Permanent Redirect
@79ms: Received redirect to https://ci.possumlab.com/.well-known/acme-challenge/letsdebug-test
@79ms: Dialing 40.122.110.221
@242ms: Server response: HTTP 200 OK

Debug
A and AAAA records found for this domain
ci.possumlab.com. 0 IN A 40.122.110.221
Challenge update failures for ci.possumlab.com in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/36563161
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from https://ci.possumlab.com/.well-known/acme-challenge/hocOVZ5pApSD7YFpEjMAILrEbhiefIyt3Ty6T-aEXko [40.122.110.221]: "<!doctype html>\n<html lang=\"en\">\n<head>\n<link href=\"https://fonts.googleapis.com/icon?family=Material+Icons\" rel=\"stylesheet\">\n<"
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for ci.possumlab.com is: com
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Jun 5 18:31:06 2019. Sat in queue for 2ms. Completed in 6s. Hide verbose information.