shell:$ nslookup -timeout=2 -retry=1 'gateway.iv.airpay.co.id'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
gateway.iv.airpay.co.id	canonical name = apid1pgde.alb.sgw.airpaymobile.com.
Name:	apid1pgde.alb.sgw.airpaymobile.com
Address: 124.158.139.6