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

Results for*.rfmodulator.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-01-17T18:30:59.873	2023-01-17T17:30:59	2023-04-17T17:30:58	rfmodulator.com	*.rfmodulator.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T18:30:59.873	2023-01-17T17:30:59	2023-04-17T17:30:58	rfmodulator.com	*.rfmodulator.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T18:30:59.455	2023-01-17T17:30:59	2023-04-17T17:30:58	rfmodulator.com	*.rfmodulator.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T18:30:59.455	2023-01-17T17:30:59	2023-04-17T17:30:58	rfmodulator.com	*.rfmodulator.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T16:32:18.293	2022-11-18T15:32:17	2023-02-16T15:32:16	rfmodulator.com	*.rfmodulator.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T16:32:18.293	2022-11-18T15:32:17	2023-02-16T15:32:16	rfmodulator.com	*.rfmodulator.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T16:32:17.885	2022-11-18T15:32:17	2023-02-16T15:32:16	rfmodulator.com	*.rfmodulator.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T16:32:17.885	2022-11-18T15:32:17	2023-02-16T15:32:16	rfmodulator.com	*.rfmodulator.com	C=US, O=Let's Encrypt, CN=R3