Let's Debug

Test result for blog.salimhome.de using http-01

Debug
Requests made to the domain
Request to: blog.salimhome.de/217.160.251.6, Result: [Address=217.160.251.6,Address Type=IPv4,Server=nginx/1.14.0 (Ubuntu),HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://blog.salimhome.de/.well-known/acme-challenge/letsdebug-test (using initial IP 217.160.251.6)
@0ms: Dialing 217.160.251.6
@206ms: Server response: HTTP 404 Not Found

Debug
A and AAAA records found for this domain
blog.salimhome.de. 0 IN A 217.160.251.6
Challenge update failures for blog.salimhome.de in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/105269761
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from http://blog.salimhome.de/.well-known/acme-challenge/4-u-Ixp2Pp87gU_CczxGPjyQBCgCnzwltnApxvrrrTE [217.160.251.6]: "<html>\r\n<head><title>404 Not Found</title></head>\r\n<body bgcolor=\"white\">\r\n<center><h1>404 Not Found</h1></center>\r\n<hr><center>"
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for blog.salimhome.de is: de
Debug
1 Certificates contributing to rate limits for this domain

Serial: 315865724452976016670635885728374174216542
NotBefore: 2020-06-23 07:37:10 +0000 UTC
Names: [blog.salimhome.de pic.salimhome.de]

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

Submitted Jun 24 10:09:49 2020. Sat in queue for 1ms. Completed in 3s. Hide verbose information.