Hello,
I can not self-sign my domain with a ssl certificate. Below the informations.
Letsdebug.net says everything is ok:
https://letsdebug.net/dmfstudentrad.no/1397
My domain is: www.dmfstudentrad.no
I ran this command:
sudo certbot --apache
It produced this output:
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator apache, Installer apache
Starting new HTTPS connection (1): acme-v01.api.letsencrypt.org
Which names would you like to activate HTTPS for?
1: dmfstudentrad.no
2: www.dmfstudentrad.no
Select the appropriate numbers separated by commas and/or spaces, or leave input
blank to select all options shown (Enter ‘c’ to cancel):
Obtaining a new certificate
Performing the following challenges:
http-01 challenge for dmfstudentrad.no
http-01 challenge for www.dmfstudentrad.no
Waiting for verification…
Cleaning up challenges
Failed authorization procedure. www.dmfstudentrad.no (http-01): urn:acme:error:dns :: DNS problem: NXDOMAIN looking up A for www.dmfstudentrad.no
My web server is (include version):
The operating system my web server runs on is (include version): centos 7 newest
My hosting provider, if applicable, is:
I can login to a root shell on my machine (yes or no, or I don’t know):
yes