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

Results forgit.git.git.liumytools.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2024-06-27T19:12:54.364	2024-06-27T18:12:53	2024-09-25T18:12:52	git.git.git.liumytools.com	git.git.git.liumytools.com	C=US, O=Let's Encrypt, CN=R10
2024-06-27T19:12:54.04	2024-06-27T18:12:53	2024-09-25T18:12:52	git.git.git.liumytools.com	git.git.git.liumytools.com	C=US, O=Let's Encrypt, CN=R10
2022-12-01T08:21:39.391	2022-12-01T07:21:39	2023-03-01T07:21:38	git.git.git.liumytools.com	git.git.git.liumytools.com	C=US, O=Let's Encrypt, CN=R3
2022-12-01T08:21:39.114	2022-12-01T07:21:39	2023-03-01T07:21:38	git.git.git.liumytools.com	git.git.git.liumytools.com	C=US, O=Let's Encrypt, CN=R3