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

Results for*.agroop.net

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2018-11-26T22:27:30.2	2018-11-26T21:27:29	2019-02-24T21:27:29	*.agroop.net	*.agroop.net	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-11-26T22:27:30.2	2018-11-26T21:27:29	2019-02-24T21:27:29	*.agroop.net	*.agroop.net	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-11-26T22:27:29.799	2018-11-26T21:27:29	2019-02-24T21:27:29	*.agroop.net	*.agroop.net	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-11-26T22:27:29.799	2018-11-26T21:27:29	2019-02-24T21:27:29	*.agroop.net	*.agroop.net	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-04-18T07:10:40.411	2018-04-17T21:12:57	2018-07-16T21:12:57	*.agroop.net	*.agroop.net	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-04-18T07:10:40.411	2018-04-17T21:12:57	2018-07-16T21:12:57	*.agroop.net	*.agroop.net	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-04-17T22:12:57.527	2018-04-17T21:12:57	2018-07-16T21:12:57	*.agroop.net	*.agroop.net	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-04-17T22:12:57.527	2018-04-17T21:12:57	2018-07-16T21:12:57	*.agroop.net	*.agroop.net	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3