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

Results for*.replies.firstbuzzmedia.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-11-22T02:03:51.149	2023-11-22T01:03:50	2024-02-20T01:03:49	*.replies.firstbuzzmedia.com	*.replies.firstbuzzmedia.com	C=US, O=Let's Encrypt, CN=R3
2023-11-22T02:03:51.149	2023-11-22T01:03:50	2024-02-20T01:03:49	*.replies.firstbuzzmedia.com	*.replies.firstbuzzmedia.com	C=US, O=Let's Encrypt, CN=R3
2023-11-22T02:03:50.975	2023-11-22T01:03:50	2024-02-20T01:03:49	*.replies.firstbuzzmedia.com	*.replies.firstbuzzmedia.com	C=US, O=Let's Encrypt, CN=R3
2023-11-22T02:03:50.975	2023-11-22T01:03:50	2024-02-20T01:03:49	*.replies.firstbuzzmedia.com	*.replies.firstbuzzmedia.com	C=US, O=Let's Encrypt, CN=R3