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

Results for*.refi.link

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-04-29T08:26:11.551	2021-04-17T00:00:00	2022-04-17T23:59:59	refi.link	*.refi.link	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-04-29T08:26:11.551	2021-04-17T00:00:00	2022-04-17T23:59:59	refi.link	*.refi.link	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-04-17T14:53:26.624	2021-04-17T00:00:00	2022-04-17T23:59:59	refi.link	*.refi.link	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-04-17T14:53:26.624	2021-04-17T00:00:00	2022-04-17T23:59:59	refi.link	*.refi.link	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1