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

Results forpreview.trendtech.ch

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2018-10-17T04:27:13.858	2018-10-17T00:00:00	2019-01-15T23:59:59	preview.trendtech.ch	preview.trendtech.ch	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2018-10-17T04:26:53.417	2018-10-17T00:00:00	2019-01-15T23:59:59	preview.trendtech.ch	preview.trendtech.ch	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2018-08-02T03:51:21.766	2018-08-02T00:00:00	2018-10-31T23:59:59	preview.trendtech.ch	preview.trendtech.ch	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2018-08-02T03:51:00.814	2018-08-02T00:00:00	2018-10-31T23:59:59	preview.trendtech.ch	preview.trendtech.ch	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2018-05-03T05:20:30.126	2018-05-03T00:00:00	2018-08-01T23:59:59	preview.trendtech.ch	preview.trendtech.ch	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2018-05-03T05:20:00.051	2018-05-03T00:00:00	2018-08-01T23:59:59	preview.trendtech.ch	preview.trendtech.ch	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"