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

Results for*.vuisearch.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-05-26T19:05:47.972	2021-10-12T00:00:00	2022-10-12T23:59:59	vuisearch.com	*.vuisearch.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2022-05-26T19:05:47.972	2021-10-12T00:00:00	2022-10-12T23:59:59	vuisearch.com	*.vuisearch.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-10-12T22:08:39.325	2021-10-12T00:00:00	2022-10-12T23:59:59	vuisearch.com	*.vuisearch.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-10-12T22:08:39.325	2021-10-12T00:00:00	2022-10-12T23:59:59	vuisearch.com	*.vuisearch.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1