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

Results for*.email.aquabird.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2024-09-08T12:08:09.984	2024-09-08T11:09:38	2024-12-07T11:09:37	zghsyb.com	*.email.aquabird.com	C=US, O=Let's Encrypt, CN=R10
2024-09-08T12:08:09.984	2024-09-08T11:09:38	2024-12-07T11:09:37	zghsyb.com	*.email.aquabird.com	C=US, O=Let's Encrypt, CN=R10
2024-09-08T12:08:08.732	2024-09-08T11:09:38	2024-12-07T11:09:37	zghsyb.com	*.email.aquabird.com	C=US, O=Let's Encrypt, CN=R10
2024-09-08T12:08:08.732	2024-09-08T11:09:38	2024-12-07T11:09:37	zghsyb.com	*.email.aquabird.com	C=US, O=Let's Encrypt, CN=R10
2024-08-19T13:54:32.565	2024-08-19T12:56:02	2024-11-17T12:56:01	jail.au	*.email.aquabird.com	C=US, O=Let's Encrypt, CN=R10
2024-08-19T13:54:32.565	2024-08-19T12:56:02	2024-11-17T12:56:01	jail.au	*.email.aquabird.com	C=US, O=Let's Encrypt, CN=R10
2024-08-19T13:54:32.419	2024-08-19T12:56:02	2024-11-17T12:56:01	jail.au	*.email.aquabird.com	C=US, O=Let's Encrypt, CN=R10
2024-08-19T13:54:32.419	2024-08-19T12:56:02	2024-11-17T12:56:01	jail.au	*.email.aquabird.com	C=US, O=Let's Encrypt, CN=R10