shell:$ nslookup -timeout=2 -retry=1 'premium-ctb.sing-box.id'
Server: 127.0.0.53
Address: 127.0.0.53#53
Non-authoritative answer:
Name: premium-ctb.sing-box.id
Address: 172.64.80.1
Name: premium-ctb.sing-box.id
Address: 2606:4700:3030::6815:2055
Name: premium-ctb.sing-box.id
Address: 2606:4700:3031::ac43:b936
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