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

Results for*.staging.stacksapp.io

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-03-01T12:27:34.911	2023-03-01T00:00:00	2024-02-02T23:59:59	staging.stacksapp.io	*.staging.stacksapp.io	C=US, O=Amazon, CN=Amazon RSA 2048 M01
2023-03-01T12:27:34.911	2023-03-01T00:00:00	2024-02-02T23:59:59	staging.stacksapp.io	*.staging.stacksapp.io	C=US, O=Amazon, CN=Amazon RSA 2048 M01
2023-01-03T05:31:15.43	2023-01-03T00:00:00	2024-02-02T23:59:59	staging.stacksapp.io	*.staging.stacksapp.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2023-01-03T05:31:15.43	2023-01-03T00:00:00	2024-02-02T23:59:59	staging.stacksapp.io	*.staging.stacksapp.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2022-02-18T10:45:56.62	2022-02-01T00:00:00	2023-03-03T23:59:59	staging.stacksapp.io	*.staging.stacksapp.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2022-02-18T10:45:56.62	2022-02-01T00:00:00	2023-03-03T23:59:59	staging.stacksapp.io	*.staging.stacksapp.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2022-02-01T01:29:48.883	2022-02-01T00:00:00	2023-03-03T23:59:59	staging.stacksapp.io	*.staging.stacksapp.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2022-02-01T01:29:48.883	2022-02-01T00:00:00	2023-03-03T23:59:59	staging.stacksapp.io	*.staging.stacksapp.io	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon