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

Results for*.aws.kater.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-05-02T01:20:14.921	2020-05-02T00:00:00	2021-06-02T12:00:00	*.aws.kater.com	*.aws.kater.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-05-02T01:20:14.921	2020-05-02T00:00:00	2021-06-02T12:00:00	*.aws.kater.com	*.aws.kater.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-05-02T00:20:13.884	2020-05-02T00:00:00	2021-06-02T12:00:00	aws.kater.com	*.aws.kater.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2020-05-02T00:20:13.884	2020-05-02T00:00:00	2021-06-02T12:00:00	aws.kater.com	*.aws.kater.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-05-31T22:32:33.886	2019-05-31T00:00:00	2020-06-30T12:00:00	*.aws.kater.com	*.aws.kater.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-05-31T22:32:33.886	2019-05-31T00:00:00	2020-06-30T12:00:00	*.aws.kater.com	*.aws.kater.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-05-31T22:28:02.143	2019-05-31T00:00:00	2020-06-30T12:00:00	aws.kater.com	*.aws.kater.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon
2019-05-31T22:28:02.143	2019-05-31T00:00:00	2020-06-30T12:00:00	aws.kater.com	*.aws.kater.com	C=US, O=Amazon, OU=Server CA 1B, CN=Amazon