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

Results for*.petexe.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-08-11T14:24:11.254	2021-08-02T00:00:00	2022-08-02T23:59:59	petexe.com	*.petexe.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-08-11T14:24:11.254	2021-08-02T00:00:00	2022-08-02T23:59:59	petexe.com	*.petexe.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-08-02T04:47:25.7	2021-08-02T00:00:00	2022-08-02T23:59:59	petexe.com	*.petexe.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-08-02T04:47:25.7	2021-08-02T00:00:00	2022-08-02T23:59:59	petexe.com	*.petexe.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1