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

Results for*.worsof.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2015-01-21T13:04:43.622	2015-01-18T00:00:00	2015-12-29T23:59:59	sni90275.cloudflaressl.com	*.worsof.com	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO ECC Domain Validation Secure Server CA 2
2015-01-21T13:04:43.622	2015-01-18T00:00:00	2015-12-29T23:59:59	sni90275.cloudflaressl.com	*.worsof.com	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO ECC Domain Validation Secure Server CA 2
2015-01-13T18:04:44.394	2015-01-11T00:00:00	2015-12-29T23:59:59	sni90275.cloudflaressl.com	*.worsof.com	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO ECC Domain Validation Secure Server CA 2
2015-01-13T18:04:44.394	2015-01-11T00:00:00	2015-12-29T23:59:59	sni90275.cloudflaressl.com	*.worsof.com	C=GB, ST=Greater Manchester, L=Salford, O=COMODO CA Limited, CN=COMODO ECC Domain Validation Secure Server CA 2