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

Results fordev.pik.world

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-01-11T17:42:39.8	2022-01-11T16:42:39	2022-04-11T16:42:38	pik.world	*.pik.world	C=US, O=Let's Encrypt, CN=E1
2022-01-11T17:42:39.153	2022-01-11T16:42:39	2022-04-11T16:42:38	pik.world	*.pik.world	C=US, O=Let's Encrypt, CN=E1
2021-10-13T06:06:46.462	2021-10-13T05:06:45	2022-01-11T05:06:44	dev.pik.world	dev.pik.world	C=US, O=Let's Encrypt, CN=R3
2021-10-13T06:06:45.459	2021-10-13T05:06:45	2022-01-11T05:06:44	dev.pik.world	dev.pik.world	C=US, O=Let's Encrypt, CN=R3
2021-07-20T20:05:57.312	2021-07-20T19:05:56	2021-10-18T19:05:54	dev.pik.world	dev.pik.world	C=US, O=Let's Encrypt, CN=R3
2021-07-20T20:05:56.798	2021-07-20T19:05:56	2021-10-18T19:05:54	dev.pik.world	dev.pik.world	C=US, O=Let's Encrypt, CN=R3