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

Results fordash.dev.motiion.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-01-07T10:43:07.911	2020-01-07T09:43:07	2020-04-06T09:43:07	dash.dev.motiion.com	dash.dev.motiion.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-01-07T10:43:07.714	2020-01-07T09:43:07	2020-04-06T09:43:07	dash.dev.motiion.com	dash.dev.motiion.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-11-07T18:06:13.147	2019-11-07T17:06:12	2020-02-05T17:06:12	dash.dev.motiion.com	dash.dev.motiion.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-11-07T18:06:12.964	2019-11-07T17:06:12	2020-02-05T17:06:12	dash.dev.motiion.com	dash.dev.motiion.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-09-08T01:26:52.83	2019-09-08T00:26:52	2019-12-07T00:26:52	dash.dev.motiion.com	dash.dev.motiion.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-09-08T01:26:52.322	2019-09-08T00:26:52	2019-12-07T00:26:52	dash.dev.motiion.com	dash.dev.motiion.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3