shell:$ nslookup -timeout=2 -retry=1 'enterprise-iot-portal.u.com.my'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
enterprise-iot-portal.u.com.my	canonical name = phs.getpostman.com.
Name:	phs.getpostman.com
Address: 98.94.229.252
Name:	phs.getpostman.com
Address: 54.197.125.254
Name:	phs.getpostman.com
Address: 100.25.145.89