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

Results for*.properties.conversegy.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-01-08T20:02:35.024	2023-01-08T19:02:34	2023-04-08T19:02:33	*.properties.conversegy.com	*.properties.conversegy.com	C=US, O=Let's Encrypt, CN=R3
2023-01-08T20:02:35.024	2023-01-08T19:02:34	2023-04-08T19:02:33	*.properties.conversegy.com	*.properties.conversegy.com	C=US, O=Let's Encrypt, CN=R3
2023-01-08T20:02:34.35	2023-01-08T19:02:34	2023-04-08T19:02:33	*.properties.conversegy.com	*.properties.conversegy.com	C=US, O=Let's Encrypt, CN=R3
2023-01-08T20:02:34.35	2023-01-08T19:02:34	2023-04-08T19:02:33	*.properties.conversegy.com	*.properties.conversegy.com	C=US, O=Let's Encrypt, CN=R3