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

Results forwww.m.sql4u.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-10-06T20:54:50.206	2025-10-06T19:56:13	2026-01-04T19:56:12	www.m.sql4u.com	www.m.sql4u.com	C=US, O=Let's Encrypt, CN=R13
2025-10-06T20:54:43.868	2025-10-06T19:56:13	2026-01-04T19:56:12	www.m.sql4u.com	www.m.sql4u.com	C=US, O=Let's Encrypt, CN=R13
2025-07-14T13:25:10.546	2025-07-14T12:26:38	2025-10-12T12:26:37	www.m.sql4u.com	www.m.sql4u.com	C=US, O=Let's Encrypt, CN=R10
2025-07-14T13:25:08.292	2025-07-14T12:26:38	2025-10-12T12:26:37	www.m.sql4u.com	www.m.sql4u.com	C=US, O=Let's Encrypt, CN=R10
2025-04-19T04:24:32.82	2025-04-19T03:26:01	2025-07-18T03:26:00	www.m.sql4u.com	www.m.sql4u.com	C=US, O=Let's Encrypt, CN=R10
2025-04-19T04:24:31.854	2025-04-19T03:26:01	2025-07-18T03:26:00	www.m.sql4u.com	www.m.sql4u.com	C=US, O=Let's Encrypt, CN=R10