shell:$ nslookup -timeout=2 -retry=1 'portal-iot.vodacom.co.tz'
;; Warning: ID mismatch: expected ID 62254, got 37587
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	portal-iot.vodacom.co.tz
Address: 197.250.3.65