shell:$ nslookup -timeout=2 -retry=1 'korea.unity3d.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
korea.unity3d.com	canonical name = sl-http.unity3d.com.
Name:	sl-http.unity3d.com
Address: 34.68.44.26