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My domain is: http://de.su
I ran this command: renew certificate from Plesk backend
It produced this output: Fehler: Fehler bei der Installation des SSL-Zertifikats von Let’s Encrypt: Challenge marked as invalid. Details: Invalid response from http://de.su/.well-known/acme-challenge/94cPMK7zSI1OYyd5mdRTxPlYULA_CdZr9fYcf95LqXI: “<!DOCTYPE HTML PUBLIC “-//IETF//DTD HTML 2.0//EN”>
<title>404 Not Found</title>
My web server is (include version): 2.4.7
The operating system my web server runs on is (include version): Ubuntu 14.04.5
My hosting provider, if applicable, is: Strato
I can login to a root shell on my machine (yes or no, or I don’t know): Yes
I’m using a control panel to manage my site (no, or provide the name and version of the control panel): Plesk Onyx (17.0.17)
I noticed that I was flagged false positive on spamcannibal because my server seems to be anonymous.
I’m on it to solve this, just some side info, maybe it’s the cause why I won’t get a certificate anymore.