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

Non-authoritative answer:
Name:	radio.speedtest.safaricom.com
Address: 62.12.113.101
Name:	radio.speedtest.safaricom.com
Address: 64:ff9b::3e0c:7165