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

Results for*.compositefest.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2019-10-28T13:46:47.298	2019-10-28T00:00:00	2020-10-09T12:00:00	sni.cloudflaressl.com	*.compositefest.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2019-10-28T13:46:47.298	2019-10-28T00:00:00	2020-10-09T12:00:00	sni.cloudflaressl.com	*.compositefest.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2018-12-01T02:31:58.867	2018-11-28T00:00:00	2019-11-28T12:00:00	sni.cloudflaressl.com	*.compositefest.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2018-12-01T02:31:58.867	2018-11-28T00:00:00	2019-11-28T12:00:00	sni.cloudflaressl.com	*.compositefest.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2018-11-28T07:12:58.169	2018-11-28T00:00:00	2019-11-28T12:00:00	sni.cloudflaressl.com	*.compositefest.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2018-11-28T07:12:58.169	2018-11-28T00:00:00	2019-11-28T12:00:00	sni.cloudflaressl.com	*.compositefest.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2