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

Results for*.coolcetines.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2019-01-01T01:49:44.253	2019-01-01T00:49:43	2019-04-01T00:49:43	*.coolcetines.com	*.coolcetines.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-01-01T01:49:44.253	2019-01-01T00:49:43	2019-04-01T00:49:43	*.coolcetines.com	*.coolcetines.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-01-01T01:49:43.685	2019-01-01T00:49:43	2019-04-01T00:49:43	*.coolcetines.com	*.coolcetines.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2019-01-01T01:49:43.685	2019-01-01T00:49:43	2019-04-01T00:49:43	*.coolcetines.com	*.coolcetines.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-11-01T00:45:13.292	2018-10-31T23:45:12	2019-01-29T23:45:12	*.coolcetines.com	*.coolcetines.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-11-01T00:45:13.292	2018-10-31T23:45:12	2019-01-29T23:45:12	*.coolcetines.com	*.coolcetines.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-11-01T00:45:12.507	2018-10-31T23:45:12	2019-01-29T23:45:12	*.coolcetines.com	*.coolcetines.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-11-01T00:45:12.507	2018-10-31T23:45:12	2019-01-29T23:45:12	*.coolcetines.com	*.coolcetines.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3