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

Results for*.www.comodo.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-10-06T16:41:38.519	2020-10-06T00:00:00	2021-10-06T23:59:59	*.www.comodo.com	*.www.comodo.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Organization Validation Secure Server CA
2020-10-06T16:41:38.519	2020-10-06T00:00:00	2021-10-06T23:59:59	*.www.comodo.com	*.www.comodo.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Organization Validation Secure Server CA
2020-10-06T16:41:38.223	2020-10-06T00:00:00	2021-10-06T23:59:59	*.www.comodo.com	*.www.comodo.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Organization Validation Secure Server CA
2020-10-06T16:41:38.223	2020-10-06T00:00:00	2021-10-06T23:59:59	*.www.comodo.com	*.www.comodo.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Organization Validation Secure Server CA