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

Results fortools.techmaster.my

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-12-01T04:02:08.322	2021-12-01T00:00:00	2022-12-29T23:59:59	*.techmaster.my	*.techmaster.my	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-12-31T02:15:29.908	2020-12-31T00:00:00	2022-01-29T23:59:59	*.techmaster.my	*.techmaster.my	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-03-31T09:14:36.721	2020-03-31T08:14:36	2020-06-29T08:14:36	tools.techmaster.my	tools.techmaster.my	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-03-31T09:14:36.512	2020-03-31T08:14:36	2020-06-29T08:14:36	tools.techmaster.my	tools.techmaster.my	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-03-31T09:03:41.523	2020-03-31T08:03:41	2020-06-29T08:03:41	tools.techmaster.my	tools.techmaster.my	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-03-31T09:03:41.307	2020-03-31T08:03:41	2020-06-29T08:03:41	tools.techmaster.my	tools.techmaster.my	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-01-30T08:12:17.414	2020-01-30T00:00:00	2021-02-28T12:00:00	*.techmaster.my	*.techmaster.my	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon