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

Results forecho-journal.mightybyte.us

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-12-30T22:15:25.288	2021-12-30T21:15:24	2022-03-30T21:15:23	mightybyte.us	*.mightybyte.us	C=US, O=Let's Encrypt, CN=R3
2021-12-30T22:15:25.036	2021-12-30T21:15:24	2022-03-30T21:15:23	mightybyte.us	*.mightybyte.us	C=US, O=Let's Encrypt, CN=R3
2021-10-30T22:13:36.412	2021-10-30T21:13:35	2022-01-28T21:13:34	*.mightybyte.us	*.mightybyte.us	C=US, O=Let's Encrypt, CN=R3
2021-10-30T22:13:35.823	2021-10-30T21:13:35	2022-01-28T21:13:34	*.mightybyte.us	*.mightybyte.us	C=US, O=Let's Encrypt, CN=R3
2021-08-30T22:13:54.853	2021-08-30T21:13:53	2021-11-28T21:13:52	*.mightybyte.us	*.mightybyte.us	C=US, O=Let's Encrypt, CN=R3
2021-08-30T22:13:54.204	2021-08-30T21:13:53	2021-11-28T21:13:52	*.mightybyte.us	*.mightybyte.us	C=US, O=Let's Encrypt, CN=R3
2021-06-30T18:54:03.881	2021-06-30T17:54:03	2021-09-28T17:54:02	mightybyte.us	*.mightybyte.us	C=US, O=Let's Encrypt, CN=R3
2021-06-30T18:54:03.735	2021-06-30T17:54:03	2021-09-28T17:54:02	mightybyte.us	*.mightybyte.us	C=US, O=Let's Encrypt, CN=R3