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

Results for*.rkwebdirectory.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-06-10T22:28:32.644	2020-06-10T21:28:32	2020-09-08T21:28:32	rkwebdirectory.com	*.rkwebdirectory.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-06-10T22:28:32.644	2020-06-10T21:28:32	2020-09-08T21:28:32	rkwebdirectory.com	*.rkwebdirectory.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-06-10T22:28:32.364	2020-06-10T21:28:32	2020-09-08T21:28:32	rkwebdirectory.com	*.rkwebdirectory.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-06-10T22:28:32.364	2020-06-10T21:28:32	2020-09-08T21:28:32	rkwebdirectory.com	*.rkwebdirectory.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-03-14T12:10:42.159	2019-03-14T11:10:40	2019-06-12T11:10:40	bimacarecard.com	*.rkwebdirectory.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-03-14T12:10:42.159	2019-03-14T11:10:40	2019-06-12T11:10:40	bimacarecard.com	*.rkwebdirectory.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-03-14T12:10:40.972	2019-03-14T11:10:40	2019-06-12T11:10:40	bimacarecard.com	*.rkwebdirectory.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-03-14T12:10:40.972	2019-03-14T11:10:40	2019-06-12T11:10:40	bimacarecard.com	*.rkwebdirectory.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3