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

Results for*.apse2.mail-svcs-stg.atmailcloud.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-06-04T02:31:09.852	2025-06-04T00:00:00	2026-07-03T23:59:59	*.apse2.mail-svcs-stg.atmailcloud.com	*.apse2.mail-svcs-stg.atmailcloud.com	C=US, O=Amazon, CN=Amazon RSA 2048 M03
2025-06-04T02:31:09.852	2025-06-04T00:00:00	2026-07-03T23:59:59	*.apse2.mail-svcs-stg.atmailcloud.com	*.apse2.mail-svcs-stg.atmailcloud.com	C=US, O=Amazon, CN=Amazon RSA 2048 M03
2025-06-04T01:34:18.521	2025-06-04T00:00:00	2026-07-03T23:59:59	*.mail-svcs-stg.atmailcloud.com	*.apse2.mail-svcs-stg.atmailcloud.com	C=US, O=Amazon, CN=Amazon RSA 2048 M03
2025-06-04T01:34:18.521	2025-06-04T00:00:00	2026-07-03T23:59:59	*.mail-svcs-stg.atmailcloud.com	*.apse2.mail-svcs-stg.atmailcloud.com	C=US, O=Amazon, CN=Amazon RSA 2048 M03