shell:$ nslookup -timeout=2 -retry=1 'ddnavi.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	ddnavi.com
Address: 13.32.164.46
Name:	ddnavi.com
Address: 13.32.164.64
Name:	ddnavi.com
Address: 13.32.164.128
Name:	ddnavi.com
Address: 13.32.164.7