shell:$ nslookup -timeout=2 -retry=1 'az-eu-w-rdvz.g.nssvc.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
az-eu-w-rdvz.g.nssvc.net	canonical name = lb-fr-ngs-production.westeurope.cloudapp.azure.com.
Name:	lb-fr-ngs-production.westeurope.cloudapp.azure.com
Address: 20.50.52.192