shell:$ nslookup -timeout=2 -retry=1 '24onlineradiusnbi.airtelkenya.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
24onlineradiusnbi.airtelkenya.com	canonical name = 782estd.ng.impervadns.net.
Name:	782estd.ng.impervadns.net
Address: 45.60.75.92