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

Results forwww.nabios.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2019-10-03T23:28:22.038	2019-06-27T09:50:18	2020-06-27T09:50:18	nabios.com	www.nabios.com	C=US, ST=Arizona, L=Scottsdale, O="Starfield Technologies, Inc.", OU=http://certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2
2019-07-28T18:32:27.466	2019-06-27T11:56:29	2020-06-27T09:50:19	nabios.com	www.nabios.com	C=US, ST=Arizona, L=Scottsdale, O="Starfield Technologies, Inc.", OU=http://certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2
2019-06-27T11:56:31.052	2019-06-27T11:56:29	2020-06-27T09:50:19	nabios.com	www.nabios.com	C=US, ST=Arizona, L=Scottsdale, O="Starfield Technologies, Inc.", OU=http://certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2
2019-06-27T09:50:19.567	2019-06-27T09:50:18	2020-06-27T09:50:18	nabios.com	www.nabios.com	C=US, ST=Arizona, L=Scottsdale, O="Starfield Technologies, Inc.", OU=http://certs.starfieldtech.com/repository/, CN=Starfield Secure Certificate Authority - G2