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

Results for*.pixeloading.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2017-04-11T22:40:21.975	2017-04-07T00:00:00	2018-04-07T23:59:59	*.pixeloading.com	*.pixeloading.com	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO RSA Domain Validation Secure Server CA
2017-04-11T22:40:21.975	2017-04-07T00:00:00	2018-04-07T23:59:59	*.pixeloading.com	*.pixeloading.com	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO RSA Domain Validation Secure Server CA
2016-04-18T12:38:54.132	2016-04-13T00:00:00	2017-04-13T23:59:59	*.pixeloading.com	*.pixeloading.com	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO RSA Domain Validation Secure Server CA
2016-04-18T12:38:54.132	2016-04-13T00:00:00	2017-04-13T23:59:59	*.pixeloading.com	*.pixeloading.com	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO RSA Domain Validation Secure Server CA