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

Results formx.mx.mainlocker.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-07-11T07:42:03.944	2025-07-11T06:43:29	2025-10-09T06:43:28	hostmaster.hostmaster.mx.mx.mainlocker.com	hostmaster.hostmaster.mx.mx.mainlocker.com	C=US, O=Let's Encrypt, CN=R11
2025-07-11T07:41:59.859	2025-07-11T06:43:29	2025-10-09T06:43:28	hostmaster.hostmaster.mx.mx.mainlocker.com	hostmaster.hostmaster.mx.mx.mainlocker.com	C=US, O=Let's Encrypt, CN=R11
2025-07-11T07:41:54.399	2025-07-11T06:43:21	2025-10-09T06:43:20	hostmaster.mx.mx.mainlocker.com	hostmaster.mx.mx.mainlocker.com	C=US, O=Let's Encrypt, CN=R10
2025-07-11T07:41:52.18	2025-07-11T06:43:21	2025-10-09T06:43:20	hostmaster.mx.mx.mainlocker.com	hostmaster.mx.mx.mainlocker.com	C=US, O=Let's Encrypt, CN=R10
2025-07-11T04:23:45.75	2025-07-11T03:25:13	2025-10-09T03:25:12	hostmaster.hostmaster.hostmaster.mx.mx.mainlocker.com	hostmaster.hostmaster.hostmaster.mx.mx.mainlocker.com	C=US, O=Let's Encrypt, CN=R10
2025-07-11T04:23:43.681	2025-07-11T03:25:13	2025-10-09T03:25:12	hostmaster.hostmaster.hostmaster.mx.mx.mainlocker.com	hostmaster.hostmaster.hostmaster.mx.mx.mainlocker.com	C=US, O=Let's Encrypt, CN=R10