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

Results for*.netobserver.org

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-02-04T00:07:17.476	2023-02-03T23:07:17	2023-05-04T23:07:16	netobserver.org	*.netobserver.org	C=US, O=Let's Encrypt, CN=R3
2023-02-04T00:07:17.476	2023-02-03T23:07:17	2023-05-04T23:07:16	netobserver.org	*.netobserver.org	C=US, O=Let's Encrypt, CN=R3
2023-02-04T00:07:17.253	2023-02-03T23:07:17	2023-05-04T23:07:16	netobserver.org	*.netobserver.org	C=US, O=Let's Encrypt, CN=R3
2023-02-04T00:07:17.253	2023-02-03T23:07:17	2023-05-04T23:07:16	netobserver.org	*.netobserver.org	C=US, O=Let's Encrypt, CN=R3
2022-12-05T22:05:35.579	2022-12-05T21:05:35	2023-03-05T21:05:34	netobserver.org	*.netobserver.org	C=US, O=Let's Encrypt, CN=R3
2022-12-05T22:05:35.579	2022-12-05T21:05:35	2023-03-05T21:05:34	netobserver.org	*.netobserver.org	C=US, O=Let's Encrypt, CN=R3
2022-12-05T22:05:35.271	2022-12-05T21:05:35	2023-03-05T21:05:34	netobserver.org	*.netobserver.org	C=US, O=Let's Encrypt, CN=R3
2022-12-05T22:05:35.271	2022-12-05T21:05:35	2023-03-05T21:05:34	netobserver.org	*.netobserver.org	C=US, O=Let's Encrypt, CN=R3