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

Results for*.testsigmatech.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-08-27T05:41:08.646	2021-08-27T00:00:00	2022-09-25T23:59:59	testsigmatech.com	*.testsigmatech.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2021-08-27T05:41:08.646	2021-08-27T00:00:00	2022-09-25T23:59:59	testsigmatech.com	*.testsigmatech.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-10-16T00:58:37.366	2020-09-25T00:00:00	2021-10-25T12:00:00	testsigmatech.com	*.testsigmatech.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-10-16T00:58:37.366	2020-09-25T00:00:00	2021-10-25T12:00:00	testsigmatech.com	*.testsigmatech.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-09-25T15:10:01.432	2020-09-25T00:00:00	2021-10-25T12:00:00	testsigmatech.com	*.testsigmatech.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-09-25T15:10:01.432	2020-09-25T00:00:00	2021-10-25T12:00:00	testsigmatech.com	*.testsigmatech.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon