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

Results for*.massmp3.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2020-07-15T20:47:37.15	2020-07-12T00:00:00	2021-07-12T12:00:00	sni.cloudflaressl.com	*.massmp3.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-07-15T20:47:37.15	2020-07-12T00:00:00	2021-07-12T12:00:00	sni.cloudflaressl.com	*.massmp3.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-07-12T05:03:11.918	2020-07-12T00:00:00	2021-07-12T12:00:00	sni.cloudflaressl.com	*.massmp3.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-07-12T05:03:11.918	2020-07-12T00:00:00	2021-07-12T12:00:00	sni.cloudflaressl.com	*.massmp3.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2019-10-15T17:20:31.135	2019-10-11T00:00:00	2020-10-09T12:00:00	sni.cloudflaressl.com	*.massmp3.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2019-10-15T17:20:31.135	2019-10-11T00:00:00	2020-10-09T12:00:00	sni.cloudflaressl.com	*.massmp3.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2019-10-11T14:56:26.51	2019-10-11T00:00:00	2020-10-09T12:00:00	sni.cloudflaressl.com	*.massmp3.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2
2019-10-11T14:56:26.51	2019-10-11T00:00:00	2020-10-09T12:00:00	sni.cloudflaressl.com	*.massmp3.com	C=US, ST=CA, L=San Francisco, O="CloudFlare, Inc.", CN=CloudFlare Inc ECC CA-2