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

Results forwww.advancedtech.dev

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-06-21T20:44:28.332	2025-06-21T19:45:58	2025-09-19T19:45:57	www.advancedtech.dev	www.advancedtech.dev	C=US, O=Let's Encrypt, CN=R10
2025-06-21T20:44:28.126	2025-06-21T19:45:58	2025-09-19T19:45:57	www.advancedtech.dev	www.advancedtech.dev	C=US, O=Let's Encrypt, CN=R10
2020-09-18T21:28:08.503	2020-09-18T20:28:08	2020-12-17T20:28:08	flyclarity.com	www.advancedtech.dev	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-18T21:28:08.249	2020-09-18T20:28:08	2020-12-17T20:28:08	flyclarity.com	www.advancedtech.dev	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-10T00:39:08.638	2020-09-09T23:39:07	2020-12-08T23:39:07	www.advancedtech.dev	www.advancedtech.dev	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-09-10T00:39:08.321	2020-09-09T23:39:07	2020-12-08T23:39:07	www.advancedtech.dev	www.advancedtech.dev	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3