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

Results forvmware.hosted.amiskell.net

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2016-05-25T11:07:32.076	2016-05-20T13:33:36	2017-05-20T13:33:36	vmware.hosted.amiskell.net	vmware.hosted.amiskell.net	C=IL, O=StartCom Ltd., OU=StartCom Certification Authority, CN=StartCom Class 1 DV Server CA
2016-05-20T13:53:09.523	2016-05-20T13:33:36	2017-05-20T13:33:36	vmware.hosted.amiskell.net	vmware.hosted.amiskell.net	C=IL, O=StartCom Ltd., OU=StartCom Certification Authority, CN=StartCom Class 1 DV Server CA
2015-06-05T21:30:09.146	2015-05-20T12:32:30	2016-05-21T02:26:39	vmware.hosted.amiskell.net	vmware.hosted.amiskell.net	C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Class 1 Primary Intermediate Server CA