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

Results forwebdisk.rococo.uz

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-10-08T15:26:55.692	2020-10-08T14:26:55	2021-01-06T14:26:55	rococo.uz	*.rococo.uz	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-10-08T15:26:55.388	2020-10-08T14:26:55	2021-01-06T14:26:55	rococo.uz	*.rococo.uz	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2018-05-14T05:12:22.626	2018-05-14T00:00:00	2018-08-12T23:59:59	rococo.uz	webdisk.rococo.uz	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2018-05-14T05:11:58.854	2018-05-14T00:00:00	2018-08-12T23:59:59	rococo.uz	webdisk.rococo.uz	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"