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

Results for*.appointer.co

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2022-02-14T19:19:44.359	2022-02-14T18:19:43	2022-05-15T18:19:42	katmoviehd.com	*.appointer.co	C=US, O=Let's Encrypt, CN=R3
2022-02-14T19:19:44.359	2022-02-14T18:19:43	2022-05-15T18:19:42	katmoviehd.com	*.appointer.co	C=US, O=Let's Encrypt, CN=R3
2022-02-14T19:19:43.952	2022-02-14T18:19:43	2022-05-15T18:19:42	katmoviehd.com	*.appointer.co	C=US, O=Let's Encrypt, CN=R3
2022-02-14T19:19:43.952	2022-02-14T18:19:43	2022-05-15T18:19:42	katmoviehd.com	*.appointer.co	C=US, O=Let's Encrypt, CN=R3
2021-12-29T01:11:32.803	2021-12-29T00:11:32	2022-03-29T00:11:31	appointer.co	*.appointer.co	C=US, O=Let's Encrypt, CN=E1
2021-12-29T01:11:32.803	2021-12-29T00:11:32	2022-03-29T00:11:31	appointer.co	*.appointer.co	C=US, O=Let's Encrypt, CN=E1
2021-12-29T01:11:32.43	2021-12-29T00:11:32	2022-03-29T00:11:31	appointer.co	*.appointer.co	C=US, O=Let's Encrypt, CN=E1
2021-12-29T01:11:32.43	2021-12-29T00:11:32	2022-03-29T00:11:31	appointer.co	*.appointer.co	C=US, O=Let's Encrypt, CN=E1