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

Results for*.leanxtractor.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-07-23T14:53:54.173	2020-07-23T00:00:00	2021-07-23T12:00:00	sni.cloudflaressl.com	*.leanxtractor.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-07-23T14:53:54.173	2020-07-23T00:00:00	2021-07-23T12:00:00	sni.cloudflaressl.com	*.leanxtractor.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2019-08-24T15:12:45.725	2019-08-24T00:00:00	2020-08-23T12:00:00	sni.cloudflaressl.com	*.leanxtractor.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2019-08-24T15:12:45.725	2019-08-24T00:00:00	2020-08-23T12:00:00	sni.cloudflaressl.com	*.leanxtractor.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2