shell:$ nslookup -timeout=2 -retry=1 'www.o2.co.uk'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
www.o2.co.uk	canonical name = feproxy-www.azurefd.net.
feproxy-www.azurefd.net	canonical name = mr-azurefd.tm-azurefd.net.
Name:	mr-azurefd.tm-azurefd.net
Address: 150.171.110.21
Name:	mr-azurefd.tm-azurefd.net
Address: 2603:1061:14:115::1