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

Results forfiddle.rs

Resolver

Location

A

Name	TTL	Value
fiddle.rs	300	104.21.2.247Cloudflare, Inc.
fiddle.rs	300	172.67.129.230Cloudflare, Inc.

Name	TTL	Value
fiddle.rs	300	2606:4700:3036::6815:2f7
fiddle.rs	300	2606:4700:3037::ac43:81e6

Name	TTL	Value
fiddle.rs	300	0 _dc-mx.1419f456dc06.fiddle.rs

Name	TTL	Value
fiddle.rs	86400	henry.ns.cloudflare.com
fiddle.rs	86400	nola.ns.cloudflare.com

Name	TTL	Value
fiddle.rs	1800	henry.ns.cloudflare.com dns.cloudflare.com 2390738422 10000 2400 604800 1800

Name	TTL	Value
fiddle.rs	300	firebase=fiddlers-f741b
fiddle.rs	300	globalsign-domain-verification=5fXa9fyTh2TGGJLecfTzulMtQT0OAXUMsliCjB-vIm