shell:$ nslookup -timeout=2 -retry=1 'j4.nstld.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	j4.nstld.com
Address: 46.31.236.1
Name:	j4.nstld.com
Address: 2600:180b:2001::1