shell:$ nslookup -timeout=2 -retry=1 'one.d4k4u.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
one.d4k4u.com	canonical name = 4k2.dmpanel.net.
Name:	4k2.dmpanel.net
Address: 31.57.111.13