shell:$ nslookup -timeout=2 -retry=1 'freesim.vodafone.co.uk'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
freesim.vodafone.co.uk	canonical name = xhn7omx.impervadns.net.
Name:	xhn7omx.impervadns.net
Address: 45.60.73.192