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

Results forwww.merrell-dev.parallel.live

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-05-14T10:09:20.444	2021-05-11T19:25:51	2021-08-09T20:25:51	leklex.com	merrell-dev.parallel.live	C=US, O=Google Trust Services LLC, CN=GTS CA 1D4
2021-05-11T20:28:29.149	2021-05-11T19:25:51	2021-08-09T20:25:51	leklex.com	merrell-dev.parallel.live	C=US, O=Google Trust Services LLC, CN=GTS CA 1D4
2021-05-07T15:37:00.185	2021-05-07T14:36:59	2021-08-05T14:36:59	merrell-dev.parallel.live	merrell-dev.parallel.live	C=US, O=Let's Encrypt, CN=R3
2021-05-07T15:36:59.962	2021-05-07T14:36:59	2021-08-05T14:36:59	merrell-dev.parallel.live	merrell-dev.parallel.live	C=US, O=Let's Encrypt, CN=R3