shell:$ nslookup -timeout=2 -retry=1 'dubi.safaricom.co.ke'
;; 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:	dubi.safaricom.co.ke
Address: 45.60.14.229
Name:	dubi.safaricom.co.ke
Address: 45.60.12.229
Name:	dubi.safaricom.co.ke
Address: 45.60.20.229
Name:	dubi.safaricom.co.ke
Address: 45.60.18.229
Name:	dubi.safaricom.co.ke
Address: 45.60.16.229