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

Results fordev.api.studentsofcolormatter.org

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-09-15T12:37:22.128	2025-09-15T11:38:51	2025-12-14T11:38:50	dev.api.studentsofcolormatter.org	dev.api.studentsofcolormatter.org	C=US, O=Let's Encrypt, CN=R12
2025-09-15T12:37:21.937	2025-09-15T11:38:51	2025-12-14T11:38:50	dev.api.studentsofcolormatter.org	dev.api.studentsofcolormatter.org	C=US, O=Let's Encrypt, CN=R12
2025-06-22T21:38:46.509	2025-06-22T20:40:14	2025-09-20T20:40:13	dev.api.studentsofcolormatter.org	dev.api.studentsofcolormatter.org	C=US, O=Let's Encrypt, CN=R11
2025-06-22T21:38:44.335	2025-06-22T20:40:14	2025-09-20T20:40:13	dev.api.studentsofcolormatter.org	dev.api.studentsofcolormatter.org	C=US, O=Let's Encrypt, CN=R11