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

Results fordev.libretime.radiorocket.in

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-04-06T09:43:07.066	2022-04-06T08:43:06	2022-07-05T08:43:05	dev.libretime.radiorocket.in	dev.libretime.radiorocket.in	C=US, O=Let's Encrypt, CN=R3
2022-04-06T09:43:06.632	2022-04-06T08:43:06	2022-07-05T08:43:05	dev.libretime.radiorocket.in	dev.libretime.radiorocket.in	C=US, O=Let's Encrypt, CN=R3
2022-03-28T23:05:02.962	2022-03-28T22:05:02	2022-06-26T22:05:01	dev.libretime.radiorocket.in	dev.libretime.radiorocket.in	C=US, O=Let's Encrypt, CN=R3
2022-03-28T23:05:02.365	2022-03-28T22:05:02	2022-06-26T22:05:01	dev.libretime.radiorocket.in	dev.libretime.radiorocket.in	C=US, O=Let's Encrypt, CN=R3