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

Results forhostmaster.doubleframes.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-11-08T11:07:02.345	2025-11-08T10:08:29	2026-02-06T10:08:28	hostmaster.doubleframes.com	hostmaster.doubleframes.com	C=US, O=Let's Encrypt, CN=R13
2025-11-08T11:06:59.967	2025-11-08T10:08:29	2026-02-06T10:08:28	hostmaster.doubleframes.com	hostmaster.doubleframes.com	C=US, O=Let's Encrypt, CN=R13
2023-01-17T16:10:42.057	2023-01-17T15:10:41	2023-04-17T15:10:40	doubleframes.com	*.doubleframes.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T16:10:41.729	2023-01-17T15:10:41	2023-04-17T15:10:40	doubleframes.com	*.doubleframes.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T14:11:18.428	2022-11-18T13:11:18	2023-02-16T13:11:17	doubleframes.com	*.doubleframes.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T14:11:18.192	2022-11-18T13:11:18	2023-02-16T13:11:17	doubleframes.com	*.doubleframes.com	C=US, O=Let's Encrypt, CN=R3