shell:$ nslookup -timeout=2 -retry=1 'identity.o2.co.uk'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
identity.o2.co.uk	canonical name = prd0-credhandler-svc.o2.co.uk.
prd0-credhandler-svc.o2.co.uk	canonical name = lbprd0credhandlerwebtier.anro2r53p.co.uk.
Name:	lbprd0credhandlerwebtier.anro2r53p.co.uk
Address: 52.214.35.235
Name:	lbprd0credhandlerwebtier.anro2r53p.co.uk
Address: 18.203.97.93