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

Results forapi.codeitz.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2024-03-04T13:05:03.933	2024-03-04T12:05:03	2024-06-02T12:05:02	api.codeitz.com	api.codeitz.com	C=US, O=Let's Encrypt, CN=R3
2024-03-04T13:05:03.351	2024-03-04T12:05:03	2024-06-02T12:05:02	api.codeitz.com	api.codeitz.com	C=US, O=Let's Encrypt, CN=R3
2019-07-08T18:28:33.983	2019-07-08T17:28:32	2019-10-06T17:28:32	api.codeitz.com	api.codeitz.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-07-08T18:28:32.925	2019-07-08T17:28:32	2019-10-06T17:28:32	api.codeitz.com	api.codeitz.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-06-05T21:01:00.83	2019-06-05T20:01:00	2019-09-03T20:01:00	api.codeitz.com	api.codeitz.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-06-05T21:01:00.149	2019-06-05T20:01:00	2019-09-03T20:01:00	api.codeitz.com	api.codeitz.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3