shell:$ nslookup -timeout=2 -retry=1 'node4.rtxconfigz.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	node4.rtxconfigz.com
Address: 139.59.117.186
Name:	node4.rtxconfigz.com
Address: 2400:6180:0:d2:0:2:91ae:e000