shell:$ nslookup -timeout=2 -retry=1 'authentication-prod.ar.indazn.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	authentication-prod.ar.indazn.com
Address: 3.170.51.22
Name:	authentication-prod.ar.indazn.com
Address: 3.170.51.83
Name:	authentication-prod.ar.indazn.com
Address: 3.170.51.74
Name:	authentication-prod.ar.indazn.com
Address: 3.170.51.48