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

Results for*.vuicoin.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-07-20T22:05:21.646	2021-07-14T00:00:00	2022-07-14T23:59:59	vuicoin.com	*.vuicoin.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-07-20T22:05:21.646	2021-07-14T00:00:00	2022-07-14T23:59:59	vuicoin.com	*.vuicoin.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-07-14T07:05:08.535	2021-07-14T00:00:00	2022-07-14T23:59:59	vuicoin.com	*.vuicoin.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-07-14T07:05:08.535	2021-07-14T00:00:00	2022-07-14T23:59:59	vuicoin.com	*.vuicoin.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1