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

Results forwww.cpanelsv001.sainet.or.jp

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2018-03-20T01:09:17.212	2018-03-17T00:00:00	2019-03-17T23:59:59	cpanelsv001.sainet.or.jp	www.cpanelsv001.sainet.or.jp	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2017-04-12T17:55:06.97	2017-04-10T00:00:00	2018-04-10T23:59:59	cpanelsv001.sainet.or.jp	www.cpanelsv001.sainet.or.jp	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2016-05-07T12:54:35.475	2016-05-04T00:00:00	2017-05-04T23:59:59	cpanelsv001.sainet.or.jp	www.cpanelsv001.sainet.or.jp	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"