shell:$ nslookup -timeout=2 -retry=1 'vybcall.safaricom.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:
vybcall.safaricom.com	canonical name = cicimoq.ng.impervadns.net.
Name:	cicimoq.ng.impervadns.net
Address: 45.223.18.17