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

Results forissuehere.com.speedse.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-04-22T06:15:12.615	2025-04-22T05:16:41	2025-07-21T05:16:40	issuehere.com.speedse.com	issuehere.com.speedse.com	C=US, O=Let's Encrypt, CN=R11
2025-04-22T06:15:12.11	2025-04-22T05:16:41	2025-07-21T05:16:40	issuehere.com.speedse.com	issuehere.com.speedse.com	C=US, O=Let's Encrypt, CN=R11
2022-08-24T22:44:27.358	2022-08-24T21:44:26	2022-11-22T21:44:25	satwho.com.modernfathers1867.com	issuehere.com.speedse.com	C=US, O=Let's Encrypt, CN=R3
2022-08-24T22:44:27.074	2022-08-24T21:44:26	2022-11-22T21:44:25	satwho.com.modernfathers1867.com	issuehere.com.speedse.com	C=US, O=Let's Encrypt, CN=R3