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

Results for*.naxaa.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-04-29T17:29:47.446	2021-07-29T00:00:00	2022-07-29T23:59:59	naxaa.com	*.naxaa.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2022-04-29T17:29:47.446	2021-07-29T00:00:00	2022-07-29T23:59:59	naxaa.com	*.naxaa.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-07-29T06:15:53.431	2021-07-29T00:00:00	2022-07-29T23:59:59	naxaa.com	*.naxaa.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1
2021-07-29T06:15:53.431	2021-07-29T00:00:00	2022-07-29T23:59:59	naxaa.com	*.naxaa.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G1