Let's Debug

Test result for xn--gnauer-3ya.de using http-01

Error
xn--gnauer-3ya.de is currently affected by Let's Encrypt-based rate limits (https://letsencrypt.org/docs/rate-limits/). You may review certificates that have already been issued by visiting https://crt.sh/?q=%xn--gnauer-3ya.de . Please note that it is not possible to ask for a rate limit to be manually cleared.
The Duplicate Certificate limit (5 certificates with the exact same set of domains per week) has been exceeded and is affecting the domain "xn--gnauer-3ya.de". The exact set of domains affected is: "xn--gnauer-3ya.de". It may be possible to avoid this rate limit by issuing a certificate with an additional or different domain name.
Debug
Requests made to the domain
Request to: xn--gnauer-3ya.de/91.67.129.116, Result: [Address Type=IPv4,Server=Apache/2.4.25 (Raspbian),HTTP Status=301,Number of Redirects=1,Final HTTP Status=404], Issue:
Trace:
@0ms: Making a request to http://xn--gnauer-3ya.de/.well-known/acme-challenge/letsdebug-test (using initial IP 91.67.129.116)
@0ms: Dialing 91.67.129.116
@208ms: Server response: HTTP 301 Moved Permanently
@208ms: Received redirect to https://xn--gnauer-3ya.de/.well-known/acme-challenge/letsdebug-test
@208ms: Dialing 91.67.129.116
@694ms: Server response: HTTP 404 Not Found

Debug
A and AAAA records found for this domain
xn--gnauer-3ya.de. 0 IN A 91.67.129.116
Challenge update failures for xn--gnauer-3ya.de in order https://acme-staging-v02.api.letsencrypt.org/acme/order/5751349/38013769
acme: error code 403 "urn:ietf:params:acme:error:unauthorized": Invalid response from https://xn--gnauer-3ya.de/.well-known/acme-challenge/2VVG8zbf851pbsO7SVSzDu7aLjDYlWkV9kVN7Jgj7gE [91.67.129.116]: "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n<html><head>\n<title>404 Not Found</title>\n</head><body>\n<h1>Not Found</h1>\n<p"
Debug
The IANA public suffix is the TLD of the Registered Domain
The TLD for xn--gnauer-3ya.de is: de
Debug
6 Certificates contributing to rate limits for this domain

Serial: 334789938991238435556769233569469617427066
NotBefore: 2019-06-21 06:31:39 +0000 UTC
Names: [xn--gnauer-3ya.de]

Serial: 335582949349339273076540173530717001318211
NotBefore: 2019-06-16 19:36:44 +0000 UTC
Names: [xn--gnauer-3ya.de]

Serial: 285800560562807373766917187715698065740529
NotBefore: 2019-06-16 12:28:43 +0000 UTC
Names: [xn--gnauer-3ya.de]

Serial: 334627788678683667900731038132867767572756
NotBefore: 2019-06-16 03:58:05 +0000 UTC
Names: [cloud.xn--gnauer-3ya.de wiki.xn--gnauer-3ya.de]

Serial: 267951638678267551287786150991547177133551
NotBefore: 2019-06-16 03:57:50 +0000 UTC
Names: [xn--gnauer-3ya.de]

Serial: 312240493619623564947260856036401041918997
NotBefore: 2019-06-15 08:35:53 +0000 UTC
Names: [xn--gnauer-3ya.de]

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

Submitted Jun 21 12:52:46 2019. Sat in queue for 2ms. Completed in 4s. Hide verbose information.