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

Results forold-dashboard.staging.dapi.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-03-31T12:54:12.916	2022-03-31T11:54:12	2022-06-29T11:54:11	old-dashboard.staging.dapi.com	old-dashboard.staging.dapi.com	C=US, O=Let's Encrypt, CN=R3
2022-03-31T12:54:12.687	2022-03-31T11:54:12	2022-06-29T11:54:11	old-dashboard.staging.dapi.com	old-dashboard.staging.dapi.com	C=US, O=Let's Encrypt, CN=R3
2022-03-31T12:47:27.386	2022-03-31T11:47:27	2022-06-29T11:47:26	old-dashboard.staging.dapi.com	old-dashboard.staging.dapi.com	C=US, O=Let's Encrypt, CN=R3
2022-03-31T12:47:27.176	2022-03-31T11:47:27	2022-06-29T11:47:26	old-dashboard.staging.dapi.com	old-dashboard.staging.dapi.com	C=US, O=Let's Encrypt, CN=R3