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

Results forcorpseed.corpseed.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-08-15T06:57:09.213	2021-08-15T05:57:08	2021-11-13T05:57:06	*.corpseed.com	*.corpseed.com	C=US, O=Let's Encrypt, CN=R3
2021-08-15T06:57:08.992	2021-08-15T05:57:08	2021-11-13T05:57:06	*.corpseed.com	*.corpseed.com	C=US, O=Let's Encrypt, CN=R3
2021-05-20T07:01:11.324	2021-05-20T06:01:10	2021-08-18T06:01:10	*.corpseed.com	*.corpseed.com	C=US, O=Let's Encrypt, CN=R3
2021-05-20T07:01:11.064	2021-05-20T06:01:10	2021-08-18T06:01:10	*.corpseed.com	*.corpseed.com	C=US, O=Let's Encrypt, CN=R3
2021-05-10T07:12:48.253	2021-05-10T06:12:47	2021-08-08T06:12:47	*.corpseed.com	*.corpseed.com	C=US, O=Let's Encrypt, CN=R3
2021-05-10T07:12:47.753	2021-05-10T06:12:47	2021-08-08T06:12:47	*.corpseed.com	*.corpseed.com	C=US, O=Let's Encrypt, CN=R3
2021-04-29T07:13:03.92	2021-04-29T06:13:03	2021-07-28T06:13:03	www.hr.corpseed.com	*.corpseed.com	C=US, O=Let's Encrypt, CN=R3
2021-04-29T07:13:03.112	2021-04-29T06:13:03	2021-07-28T06:13:03	www.hr.corpseed.com	*.corpseed.com	C=US, O=Let's Encrypt, CN=R3
2018-05-27T16:09:12.034	2018-05-27T00:00:00	2018-08-25T23:59:59	corpseed.in	corpseed.corpseed.com www.corpseed.corpseed.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"
2018-05-27T16:08:50.499	2018-05-27T00:00:00	2018-08-25T23:59:59	corpseed.in	corpseed.corpseed.com www.corpseed.corpseed.com	C=US, ST=TX, L=Houston, O="cPanel, Inc.", CN="cPanel, Inc. Certification Authority"