root@HYPERION:/usr/local/letsencrypt# ./letsencrypt-auto --apache -d forum.twomain-group.com -d www.forum.twomain-group.com
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator apache, Installer apache
Cert is due for renewal, auto-renewing...
Renewing an existing certificate
Performing the following challenges:
tls-sni-01 challenge for forum.twomain-group.com
tls-sni-01 challenge for www.forum.twomain-group.com
Waiting for verification...
Cleaning up challenges
Failed authorization procedure. www.forum.twomain-group.com (tls-sni-01): urn:ietf:params:acme:error:dns :: DNS problem: NXDOMAIN looking up A for www.forum.twomain-group.com
IMPORTANT NOTES:
- The following errors were reported by the server:
Domain: www.forum.twomain-group.com
Type: None
Detail: DNS problem: NXDOMAIN looking up A for
www.forum.twomain-group.com