shell:$ nslookup -timeout=2 -retry=1 'korea.unity3d.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

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