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

Results for*.dryreply.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-04-14T13:47:42.476	2020-04-12T00:00:00	2021-04-13T12:00:00	dryreply.com	*.dryreply.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-04-14T13:47:42.476	2020-04-12T00:00:00	2021-04-13T12:00:00	dryreply.com	*.dryreply.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-04-12T23:06:34.014	2020-04-12T00:00:00	2021-04-13T12:00:00	dryreply.com	*.dryreply.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2020-04-12T23:06:34.014	2020-04-12T00:00:00	2021-04-13T12:00:00	dryreply.com	*.dryreply.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1