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

Results for*.intern.proactive.nl

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2018-05-28T05:57:41.085	2018-05-28T00:00:00	2019-05-28T23:59:59	*.intern.proactive.nl	*.intern.proactive.nl	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO RSA Domain Validation Secure Server CA
2018-05-28T05:57:41.085	2018-05-28T00:00:00	2019-05-28T23:59:59	*.intern.proactive.nl	*.intern.proactive.nl	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO RSA Domain Validation Secure Server CA
2018-05-28T05:56:56.039	2018-05-28T00:00:00	2019-05-28T23:59:59	*.intern.proactive.nl	*.intern.proactive.nl	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO RSA Domain Validation Secure Server CA
2018-05-28T05:56:56.039	2018-05-28T00:00:00	2019-05-28T23:59:59	*.intern.proactive.nl	*.intern.proactive.nl	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO RSA Domain Validation Secure Server CA