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

Results forksoft.compadata.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-08-03T23:08:06.776	2020-08-03T22:08:06	2020-11-01T22:08:06	ksoft.compadata.com	ksoft.compadata.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-08-03T23:08:06.577	2020-08-03T22:08:06	2020-11-01T22:08:06	ksoft.compadata.com	ksoft.compadata.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-06-04T15:40:13.097	2020-06-04T14:40:12	2020-09-02T14:40:12	ksoft.compadata.com	ksoft.compadata.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-06-04T15:40:12.881	2020-06-04T14:40:12	2020-09-02T14:40:12	ksoft.compadata.com	ksoft.compadata.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-04-05T07:16:22.551	2020-04-05T06:16:22	2020-07-04T06:16:22	ksoft.compadata.com	ksoft.compadata.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3
2020-04-05T07:16:22.39	2020-04-05T06:16:22	2020-07-04T06:16:22	ksoft.compadata.com	ksoft.compadata.com	C=US, O=Let's Encrypt, CN=Let's Encrypt Authority X3