Where are all references to my domain name?

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14

Your renewal is failing because of the HTTP error 400 "Bad Request"

A request to your "home" page gets the same "400" error and shows below. Do you maybe have port 80 forwarded to port 443 in your Apache server?

curl -i http://dr0.ch

HTTP/1.1 400 Bad Request
Server: Apache

<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 2.0//EN">
(...)
<title>400 Bad Request</title>
<p>Your browser sent a request that this server could not understand.<br />
Reason: You're speaking plain HTTP to an SSL-enabled server port.<br />
 Instead use the HTTPS scheme to access this URL, please.<br />
</p>

Similarly, this should not work. HTTPS should not work on port 80

curl -ik https://dr0.ch:80
HTTP/1.1 301 Moved Permanently
Server: Apache
Location: https://dr0.ch/
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