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

Results for*.53851.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2023-01-17T18:25:25.853	2023-01-17T17:25:25	2023-04-17T17:25:24	53851.com	*.53851.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T18:25:25.853	2023-01-17T17:25:25	2023-04-17T17:25:24	53851.com	*.53851.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T18:25:25.747	2023-01-17T17:25:25	2023-04-17T17:25:24	53851.com	*.53851.com	C=US, O=Let's Encrypt, CN=R3
2023-01-17T18:25:25.747	2023-01-17T17:25:25	2023-04-17T17:25:24	53851.com	*.53851.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T16:23:29.665	2022-11-18T15:23:28	2023-02-16T15:23:27	53851.com	*.53851.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T16:23:29.665	2022-11-18T15:23:28	2023-02-16T15:23:27	53851.com	*.53851.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T16:23:28.913	2022-11-18T15:23:28	2023-02-16T15:23:27	53851.com	*.53851.com	C=US, O=Let's Encrypt, CN=R3
2022-11-18T16:23:28.913	2022-11-18T15:23:28	2023-02-16T15:23:27	53851.com	*.53851.com	C=US, O=Let's Encrypt, CN=R3