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

Results for*.volorion.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2019-10-04T15:12:56.255	2019-10-04T00:00:00	2020-10-03T12:00:00	sni.cloudflaressl.com	*.volorion.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2019-10-04T15:12:56.255	2019-10-04T00:00:00	2020-10-03T12:00:00	sni.cloudflaressl.com	*.volorion.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2018-11-04T11:32:12.548	2018-11-04T00:00:00	2019-11-04T12:00:00	sni.cloudflaressl.com	*.volorion.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2018-11-04T11:32:12.548	2018-11-04T00:00:00	2019-11-04T12:00:00	sni.cloudflaressl.com	*.volorion.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2018-11-03T00:10:35.665	2018-11-03T00:00:00	2019-11-03T12:00:00	sni.cloudflaressl.com	*.volorion.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2018-11-03T00:10:35.665	2018-11-03T00:00:00	2019-11-03T12:00:00	sni.cloudflaressl.com	*.volorion.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2