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

Results formx.mx.mdirection.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2024-08-19T02:45:46.468	2024-08-19T01:47:15	2024-11-17T01:47:14	mx.mx.mx.mx.mx.mx.mx.mdirection.com	mx.mx.mx.mx.mx.mx.mx.mdirection.com	C=US, O=Let's Encrypt, CN=E5
2024-08-19T02:45:46.127	2024-08-19T01:47:15	2024-11-17T01:47:14	mx.mx.mx.mx.mx.mx.mx.mdirection.com	mx.mx.mx.mx.mx.mx.mx.mdirection.com	C=US, O=Let's Encrypt, CN=E5
2024-08-16T08:50:10.933	2024-08-16T07:51:40	2024-11-14T07:51:39	mx.mx.mdirection.com	mx.mx.mdirection.com	C=US, O=Let's Encrypt, CN=E6
2024-08-16T08:50:10.665	2024-08-16T07:51:40	2024-11-14T07:51:39	mx.mx.mdirection.com	mx.mx.mdirection.com	C=US, O=Let's Encrypt, CN=E6
2021-11-26T17:09:11.842	2021-11-26T16:09:11	2022-02-24T16:09:10	mx.mx.mdirection.com	mx.mx.mdirection.com	C=US, O=Let's Encrypt, CN=R3
2021-11-26T17:09:11.619	2021-11-26T16:09:11	2022-02-24T16:09:10	mx.mx.mdirection.com	mx.mx.mdirection.com	C=US, O=Let's Encrypt, CN=R3