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

Results forgit.git.git.prptectmyid.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-02-24T20:26:11.364	2023-02-24T19:26:11	2023-05-25T19:26:10	git.git.git.prptectmyid.com	git.git.git.prptectmyid.com	C=US, O=Let's Encrypt, CN=R3
2023-02-24T20:26:11.275	2023-02-24T19:26:11	2023-05-25T19:26:10	git.git.git.prptectmyid.com	git.git.git.prptectmyid.com	C=US, O=Let's Encrypt, CN=R3
2022-11-24T21:45:54.24	2022-11-24T20:45:53	2023-02-22T20:45:52	git.git.git.prptectmyid.com	git.git.git.prptectmyid.com	C=US, O=Let's Encrypt, CN=R3
2022-11-24T21:45:53.743	2022-11-24T20:45:53	2023-02-22T20:45:52	git.git.git.prptectmyid.com	git.git.git.prptectmyid.com	C=US, O=Let's Encrypt, CN=R3