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

Results forhostmaster.frontsidedesign.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-03-07T13:02:16.931	2025-03-07T12:03:46	2025-06-05T12:03:45	hostmaster.hostmaster.frontsidedesign.com	hostmaster.hostmaster.frontsidedesign.com	C=US, O=Let's Encrypt, CN=R11
2025-03-07T13:02:16.305	2025-03-07T12:03:46	2025-06-05T12:03:45	hostmaster.hostmaster.frontsidedesign.com	hostmaster.hostmaster.frontsidedesign.com	C=US, O=Let's Encrypt, CN=R11
2025-03-01T08:19:32.985	2025-03-01T07:21:02	2025-05-30T07:21:01	hostmaster.frontsidedesign.com	hostmaster.frontsidedesign.com	C=US, O=Let's Encrypt, CN=R11
2025-03-01T08:19:32.677	2025-03-01T07:21:02	2025-05-30T07:21:01	hostmaster.frontsidedesign.com	hostmaster.frontsidedesign.com	C=US, O=Let's Encrypt, CN=R11