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

Results forwww.files.datatechbd.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-09-11T03:03:14.37	2020-09-11T00:00:00	2020-12-10T23:59:59	files.datatechbd.com	www.files.datatechbd.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2020-09-11T03:03:13.868	2020-09-11T00:00:00	2020-12-10T23:59:59	files.datatechbd.com	www.files.datatechbd.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2020-06-27T16:38:14.698	2020-06-27T00:00:00	2020-09-25T23:59:59	files.datatechbd.com	www.files.datatechbd.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2020-06-27T16:38:14.398	2020-06-27T00:00:00	2020-09-25T23:59:59	files.datatechbd.com	www.files.datatechbd.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"