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

Results for*.dc.org

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2015-04-04T14:06:22.737	2015-04-01T19:35:31	2017-04-02T02:44:59	*.dc.org	*.dc.org	C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Class 2 Primary Intermediate Server CA
2015-04-04T14:06:22.737	2015-04-01T19:35:31	2017-04-02T02:44:59	*.dc.org	*.dc.org	C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Class 2 Primary Intermediate Server CA
2013-05-02T00:00:33.757	2012-03-06T16:32:40	2014-03-08T03:46:08	*.dc.org	*.dc.org	C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Class 2 Primary Intermediate Server CA
2013-05-02T00:00:33.757	2012-03-06T16:32:40	2014-03-08T03:46:08	*.dc.org	*.dc.org	C=IL, O=StartCom Ltd., OU=Secure Digital Certificate Signing, CN=StartCom Class 2 Primary Intermediate Server CA