It can be anything! An apex, subdomain, or even a URL.

Results forwww.intern.secure.denic.de

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2016-10-02T01:43:53.692	2011-05-05T00:00:00	2013-05-06T23:59:59	intern.secure.denic.de	www.intern.secure.denic.de	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO High-Assurance Secure Server CA
2016-10-01T02:57:47.703	2010-05-04T00:00:00	2011-05-05T23:59:59	intern.secure.denic.de	www.intern.secure.denic.de	C=US, ST=UT, L=Salt Lake City, O=The USERTRUST Network, OU=http://www.usertrust.com, CN=UTN-USERFirst-Hardware
2015-07-27T16:40:39.039	2013-05-03T00:00:00	2015-05-07T23:59:59	intern.secure.denic.de	www.intern.secure.denic.de	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO High-Assurance Secure Server CA