shell:$ nslookup -timeout=2 -retry=1 'config.rcs.mnc860.mcc405.pub.3gppnetwork.org'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	config.rcs.mnc860.mcc405.pub.3gppnetwork.org
Address: 103.63.129.5