shell:$ nslookup -timeout=2 -retry=1 'cdn.who.int.xoolvpn.223444.xyz'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
cdn.who.int.xoolvpn.223444.xyz	canonical name = xoolvpn.223444.xyz.
xoolvpn.223444.xyz	canonical name = shserver.223444.xyz.
Name:	shserver.223444.xyz
Address: 124.217.248.115