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

Results forbg.ns.ua

Resolver

Location

A

Name	TTL	Value
bg.ns.ua	10801	185.136.96.185ClouDNS / Cloud DNS Ltd
bg.ns.ua	10801	185.136.97.185ClouDNS / Cloud DNS Ltd

Name	TTL	Value
bg.ns.ua	10801	2a06:fb00:1::2:185
bg.ns.ua	10801	2a06:fb00:1::4:185