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

Results forgit.int.tinycloud.io

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2018-04-09T06:25:34.199	2018-04-07T21:43:54	2018-07-06T21:43:54	integration.int.tinycloud.io	git.int.tinycloud.io	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-04-07T22:43:54.986	2018-04-07T21:43:54	2018-07-06T21:43:54	integration.int.tinycloud.io	git.int.tinycloud.io	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-02-06T14:41:14.796	2018-02-06T13:41:14	2018-05-07T13:41:14	integration.int.tinycloud.io	git.int.tinycloud.io	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-02-06T13:45:59.766	2018-02-06T12:45:59	2018-05-07T12:45:59	integration.int.tinycloud.io	git.int.tinycloud.io	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3