shell:$ nslookup -timeout=2 -retry=1 'de1-vmess.tunnel.cx'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	de1-vmess.tunnel.cx
Address: 104.21.5.167
Name:	de1-vmess.tunnel.cx
Address: 172.67.133.164
Name:	de1-vmess.tunnel.cx
Address: 2606:4700:3037::ac43:85a4
Name:	de1-vmess.tunnel.cx
Address: 2606:4700:3036::6815:5a7