Let's Debug

Test result for srimuang.ddns.net using http-01

Debug
Requests made to the domain
Request to: srimuang.ddns.net/34.199.8.144, Result: [Address=34.199.8.144,Address Type=IPv4,Server=Apache,HTTP Status=200], Issue:
Trace:
@0ms: Making a request to http://srimuang.ddns.net/.well-known/acme-challenge/letsdebug-test (using initial IP 34.199.8.144)
@0ms: Dialing 34.199.8.144
@17ms: Server response: HTTP 200 Found

Debug
A and AAAA records found for this domain
srimuang.ddns.net. 0 IN A 34.199.8.144
Challenge update failures for srimuang.ddns.net in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/2903763964
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": 34.199.8.144: Invalid response from http://srimuang.ddns.net/.well-known/acme-challenge/0Ubn3ZaAqIKG1UjNGpICciki4PfOxAW94ly9JyPuBIY: "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Frameset//EN\" \"http://www.w3.org/TR/html4/frameset.dtd\">\n<html>\n<!-- WEB REDIRECTIO"
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for srimuang.ddns.net is: net
Debug
The current status.io status for Let's Encrypt
Operational

Submitted Jun 21 00:54:14 2022. Sat in queue for 3ms. Completed in 5s. Hide verbose information.