▸ API 参考

wss://dnsniffer.com/ws

# 仅 .com
wss://dnsniffer.com/ws?tld=com

# 仅包含 "acme" 的域名(3–64 字符,不区分大小写)
wss://dnsniffer.com/ws?q=acme

# 两者
wss://dnsniffer.com/ws?tld=com&q=acme

// 连接时(一次)
{
  "type": "hello",
  "server": "dnsniffer-ws/1",
  "filters": { ... },
  "heartbeat_ms": 30000
}

// 每个新域名
{
  "type": "domain",
  "id": "1234567890",
  "name": "foo.com",
  "tld": "com",
  "created_at": "2026-05-16T16:00:00Z"
}

const ws = new WebSocket('wss://dnsniffer.com/ws?tld=com');
ws.onmessage = (e) => {
  const m = JSON.parse(e.data);
  if (m.type === 'domain') console.log(m.name);
};

import WebSocket from 'ws';
const ws = new WebSocket('wss://dnsniffer.com/ws?q=acme');
ws.on('message', (data) => {
  const m = JSON.parse(data.toString());
  if (m.type === 'domain') console.log(m.name);
});