shell:$ nslookup -timeout=2 -retry=1 'bd.robi.com'
;; communications error to 1.1.1.1#53: timed out
Server:		8.8.8.8
Address:	8.8.8.8#53

Non-authoritative answer:
Name:	bd.robi.com
Address: 23.239.4.93
Name:	bd.robi.com
Address: 66.175.216.36
Name:	bd.robi.com
Address: 192.155.84.236
Name:	bd.robi.com
Address: 23.239.3.104
Name:	bd.robi.com
Address: 74.207.241.245
;; communications error to 1.1.1.1#53: timed out
Name:	bd.robi.com
Address: 2600:3c01::f03c:95ff:feeb:5ed6
Name:	bd.robi.com
Address: 2600:3c01::f03c:95ff:feed:cf2a
Name:	bd.robi.com
Address: 2600:3c01::2000:3aff:feb3:2e94
Name:	bd.robi.com
Address: 2600:3c01::f03c:95ff:fe91:5de5
Name:	bd.robi.com
Address: 2600:3c01::f03c:95ff:fe00:29ca