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

Results for*.w25.byoutube.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2024-09-16T21:11:45.682	2024-09-16T20:13:15	2024-12-15T20:13:14	byoutube.com	*.w25.byoutube.com	C=US, O=Let's Encrypt, CN=R10
2024-09-16T21:11:45.682	2024-09-16T20:13:15	2024-12-15T20:13:14	byoutube.com	*.w25.byoutube.com	C=US, O=Let's Encrypt, CN=R10
2024-09-16T21:11:45.507	2024-09-16T20:13:15	2024-12-15T20:13:14	byoutube.com	*.w25.byoutube.com	C=US, O=Let's Encrypt, CN=R10
2024-09-16T21:11:45.507	2024-09-16T20:13:15	2024-12-15T20:13:14	byoutube.com	*.w25.byoutube.com	C=US, O=Let's Encrypt, CN=R10
2024-09-13T08:56:38.759	2024-09-13T07:58:08	2024-12-12T07:58:07	wonderfood.bio	*.w25.byoutube.com	C=US, O=Let's Encrypt, CN=R11
2024-09-13T08:56:38.759	2024-09-13T07:58:08	2024-12-12T07:58:07	wonderfood.bio	*.w25.byoutube.com	C=US, O=Let's Encrypt, CN=R11
2024-09-13T08:56:38.512	2024-09-13T07:58:08	2024-12-12T07:58:07	wonderfood.bio	*.w25.byoutube.com	C=US, O=Let's Encrypt, CN=R11
2024-09-13T08:56:38.512	2024-09-13T07:58:08	2024-12-12T07:58:07	wonderfood.bio	*.w25.byoutube.com	C=US, O=Let's Encrypt, CN=R11