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

Results forww1.tr.learnlanguage.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-04-19T12:04:47.649	2025-04-19T00:00:00	2026-04-18T23:59:59	www.ww1.tr.learnlanguage.com	www.ww1.tr.learnlanguage.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G2
2025-04-19T12:04:40.367	2025-04-19T00:00:00	2026-04-18T23:59:59	www.ww1.tr.learnlanguage.com	www.ww1.tr.learnlanguage.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G2
2025-04-07T13:36:25.14	2025-04-07T00:00:00	2026-04-06T23:59:59	ww1.tr.learnlanguage.com	ww1.tr.learnlanguage.com	C=US, O=DigiCert Inc, OU=www.digicert.com, CN=Encryption Everywhere DV TLS CA - G2