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

Results for*.astroberg.com

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-09-25T00:39:19.314	2021-09-25T00:00:00	2022-09-24T23:59:59	sni.cloudflaressl.com	*.astroberg.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2021-09-25T00:39:19.314	2021-09-25T00:00:00	2022-09-24T23:59:59	sni.cloudflaressl.com	*.astroberg.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-11-03T13:20:20.061	2020-10-26T00:00:00	2021-10-25T23:59:59	sni.cloudflaressl.com	*.astroberg.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-11-03T13:20:20.061	2020-10-26T00:00:00	2021-10-25T23:59:59	sni.cloudflaressl.com	*.astroberg.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-10-26T22:53:44.206	2020-10-26T00:00:00	2021-10-25T23:59:59	sni.cloudflaressl.com	*.astroberg.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-10-26T22:53:44.206	2020-10-26T00:00:00	2021-10-25T23:59:59	sni.cloudflaressl.com	*.astroberg.com	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3