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

Results foradmin.devolve.me

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-12-18T12:02:44.089	2025-12-18T11:04:11	2026-03-18T11:04:10	admin.devolve.me	admin.devolve.me	C=US, O=Let's Encrypt, CN=R13
2025-12-18T12:02:41.967	2025-12-18T11:04:11	2026-03-18T11:04:10	admin.devolve.me	admin.devolve.me	C=US, O=Let's Encrypt, CN=R13
2020-09-14T09:05:47.712	2020-09-14T08:05:47	2020-12-13T08:05:47	devolve.me	*.devolve.me	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-14T09:05:47.431	2020-09-14T08:05:47	2020-12-13T08:05:47	devolve.me	*.devolve.me	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-06-13T10:39:56.879	2020-06-13T09:39:56	2020-09-11T09:39:56	devolve.me	*.devolve.me	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-06-13T10:39:56.659	2020-06-13T09:39:56	2020-09-11T09:39:56	devolve.me	*.devolve.me	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3