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

Results for*.rivalryxd.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-06-01T16:58:00.701	2023-06-01T15:58:00	2023-08-30T15:57:59	rivalryxd.com	*.rivalryxd.com	C=US, O=Let's Encrypt, CN=E1
2023-06-01T16:58:00.701	2023-06-01T15:58:00	2023-08-30T15:57:59	rivalryxd.com	*.rivalryxd.com	C=US, O=Let's Encrypt, CN=E1
2023-06-01T16:58:00.538	2023-06-01T15:58:00	2023-08-30T15:57:59	rivalryxd.com	*.rivalryxd.com	C=US, O=Let's Encrypt, CN=E1
2023-06-01T16:58:00.538	2023-06-01T15:58:00	2023-08-30T15:57:59	rivalryxd.com	*.rivalryxd.com	C=US, O=Let's Encrypt, CN=E1
2023-06-01T16:57:09.327	2023-06-01T15:57:08	2023-08-30T15:57:07	rivalryxd.com	*.rivalryxd.com	C=US, O=Google Trust Services LLC, CN=GTS CA 1P5
2023-06-01T16:57:09.327	2023-06-01T15:57:08	2023-08-30T15:57:07	rivalryxd.com	*.rivalryxd.com	C=US, O=Google Trust Services LLC, CN=GTS CA 1P5