shell:$ nslookup -timeout=2 -retry=1 'v4.sg.cptr-api.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
Name:	v4.sg.cptr-api.com
Address: 18.239.6.11
Name:	v4.sg.cptr-api.com
Address: 18.239.6.21
Name:	v4.sg.cptr-api.com
Address: 18.239.6.47
Name:	v4.sg.cptr-api.com
Address: 18.239.6.16