shell:$ nslookup -timeout=2 -retry=1 'yu.vodafone.es'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
yu.vodafone.es	canonical name = ddnz4x7.impervadns.net.
Name:	ddnz4x7.impervadns.net
Address: 45.60.74.53