shell:$ nslookup -timeout=2 -retry=1 'mymobile.o2.co.uk'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
mymobile.o2.co.uk	canonical name = lbprdcachetiermymobileproxy.o2r53ctp.co.uk.
lbprdcachetiermymobileproxy.o2r53ctp.co.uk	canonical name = lbprd1cachetiermymobileproxy.o2r53ctp.co.uk.
lbprd1cachetiermymobileproxy.o2r53ctp.co.uk	canonical name = d23vhc4nag3sz7.cloudfront.net.
Name:	d23vhc4nag3sz7.cloudfront.net
Address: 3.160.5.27
Name:	d23vhc4nag3sz7.cloudfront.net
Address: 3.160.5.12
Name:	d23vhc4nag3sz7.cloudfront.net
Address: 3.160.5.62
Name:	d23vhc4nag3sz7.cloudfront.net
Address: 3.160.5.96