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

Results forwebmail.pcflock.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2025-01-25T18:42:32.925	2025-01-25T17:44:02	2025-04-25T17:44:01	pcflock.com	*.pcflock.com	C=US, O=Let's Encrypt, CN=R10
2025-01-25T18:42:32.713	2025-01-25T17:44:02	2025-04-25T17:44:01	pcflock.com	*.pcflock.com	C=US, O=Let's Encrypt, CN=R10
2024-11-14T02:43:05.585	2024-11-14T01:44:35	2025-02-12T01:44:34	webmail.pcflock.com	webmail.pcflock.com	C=US, O=Let's Encrypt, CN=R11
2024-11-14T02:43:05.185	2024-11-14T01:44:35	2025-02-12T01:44:34	webmail.pcflock.com	webmail.pcflock.com	C=US, O=Let's Encrypt, CN=R11
2022-11-18T04:00:26.404	2022-11-18T00:00:00	2023-02-16T23:59:59	pcflock.com	webmail.pcflock.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2022-11-18T04:00:24.841	2022-11-18T00:00:00	2023-02-16T23:59:59	pcflock.com	webmail.pcflock.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"