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

Results for*.collcoin.io

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-07-10T13:37:24.149	2021-07-10T00:00:00	2022-07-09T23:59:59	sni.cloudflaressl.com	*.collcoin.io	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2021-07-10T13:37:24.149	2021-07-10T00:00:00	2022-07-09T23:59:59	sni.cloudflaressl.com	*.collcoin.io	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-08-15T07:12:33.856	2020-08-10T00:00:00	2021-08-10T12:00:00	sni.cloudflaressl.com	*.collcoin.io	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-08-15T07:12:33.856	2020-08-10T00:00:00	2021-08-10T12:00:00	sni.cloudflaressl.com	*.collcoin.io	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-08-10T13:52:58.554	2020-08-10T00:00:00	2021-08-10T12:00:00	sni.cloudflaressl.com	*.collcoin.io	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-08-10T13:52:58.554	2020-08-10T00:00:00	2021-08-10T12:00:00	sni.cloudflaressl.com	*.collcoin.io	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3