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

Results for*.dingweisoft.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2019-12-07T13:08:47.931	2019-11-16T00:00:00	2020-10-09T12:00:00	sni.cloudflaressl.com	*.dingweisoft.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2019-12-07T13:08:47.931	2019-11-16T00:00:00	2020-10-09T12:00:00	sni.cloudflaressl.com	*.dingweisoft.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2019-11-16T10:12:43.994	2019-11-16T00:00:00	2020-10-09T12:00:00	sni.cloudflaressl.com	*.dingweisoft.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2019-11-16T10:12:43.994	2019-11-16T00:00:00	2020-10-09T12:00:00	sni.cloudflaressl.com	*.dingweisoft.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2