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

Results forwww.confluence.polyprotec.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2018-02-03T18:32:26.523	2015-10-13T19:15:39	2016-12-03T15:12:06	confluence.polyprotec.com	www.confluence.polyprotec.com	C=US, ST=Arizona, L=Scottsdale, O="GoDaddy.com, Inc.", OU=http://certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2
2016-10-01T15:33:37.559	2010-10-25T18:16:26	2011-10-12T19:53:38	confluence.polyprotec.com	www.confluence.polyprotec.com	C=US, ST=Arizona, L=Scottsdale, O="GoDaddy.com, Inc.", OU=http://certificates.godaddy.com/repository, CN=Go Daddy Secure Certification Authority, serialNumber=07969287
2016-09-26T00:38:08.705	2013-12-03T15:12:06	2015-12-03T15:12:06	confluence.polyprotec.com	www.confluence.polyprotec.com	C=US, ST=Arizona, L=Scottsdale, O="GoDaddy.com, Inc.", OU=http://certs.godaddy.com/repository/, CN=Go Daddy Secure Certificate Authority - G2