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

Results forwebmail.prettyandlashed.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-05-31T06:00:21.779	2021-05-31T00:00:00	2021-08-29T23:59:59	prettyandlashed.com	webmail.prettyandlashed.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2021-05-31T06:00:21.27	2021-05-31T00:00:00	2021-08-29T23:59:59	prettyandlashed.com	webmail.prettyandlashed.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2021-05-23T21:41:17.662	2021-05-23T00:00:00	2021-08-21T23:59:59	prettyandlashed.com	webmail.prettyandlashed.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2021-05-23T21:41:17.274	2021-05-23T00:00:00	2021-08-21T23:59:59	prettyandlashed.com	webmail.prettyandlashed.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"