shell:$ nslookup -timeout=2 -retry=1 'e.root-servers.org'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
e.root-servers.org	canonical name = bsgapps.arc.nasa.gov.
Name:	bsgapps.arc.nasa.gov
Address: 128.102.22.79
Name:	bsgapps.arc.nasa.gov
Address: 2001:4d0:6310:2c07:80db:c61d:aba4:8c93