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

Results forwww.test.datatechbd.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2019-12-04T06:17:35.114	2019-12-04T00:00:00	2020-12-03T23:59:59	test.datatechbd.com	www.test.datatechbd.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2019-12-04T06:17:15.938	2019-12-04T00:00:00	2020-12-03T23:59:59	test.datatechbd.com	www.test.datatechbd.com	C=GB, ST=Greater Manchester, L=Salford, O=Sectigo Limited, CN=Sectigo RSA Domain Validation Secure Server CA
2019-08-07T18:00:53.213	2019-08-07T00:00:00	2019-11-05T23:59:59	test.datatechbd.com	www.test.datatechbd.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2019-08-07T18:00:38.829	2019-08-07T00:00:00	2019-11-05T23:59:59	test.datatechbd.com	www.test.datatechbd.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"