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

Results for*.dev350.info

Logged At	Not Before	Not After	Common Name	Matching Identities	Issuer Name
2021-09-19T00:39:58.912	2021-09-19T00:00:00	2022-09-18T23:59:59	sni.cloudflaressl.com	*.dev350.info	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2021-09-19T00:39:58.912	2021-09-19T00:00:00	2022-09-18T23:59:59	sni.cloudflaressl.com	*.dev350.info	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-10-24T10:08:43.776	2020-10-20T00:00:00	2021-10-19T23:59:59	sni.cloudflaressl.com	*.dev350.info	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-10-24T10:08:43.776	2020-10-20T00:00:00	2021-10-19T23:59:59	sni.cloudflaressl.com	*.dev350.info	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-10-20T21:08:27.017	2020-10-20T00:00:00	2021-10-19T23:59:59	sni.cloudflaressl.com	*.dev350.info	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3
2020-10-20T21:08:27.017	2020-10-20T00:00:00	2021-10-19T23:59:59	sni.cloudflaressl.com	*.dev350.info	C=US, O="Cloudflare, Inc.", CN=Cloudflare Inc ECC CA-3