手机域名纠错怎么解决

const dnsCache = {};

async function resolveDomain(domain) {
  if (dnsCache[domain]) {
    return dnsCache[domain];
  }

  try {
    const ip = await fetch(`https://dns.google/resolve?name=${domain}`).then(res => res.json());
    dnsCache[domain] = ip.addresses[0];
    return ip.addresses[0];
  } catch (error) {
    console.error(`Failed to resolve domain ${domain}:`, error);
    throw error;
  }
}

resolveDomain('example.com').then(ip => console.log(`Resolved IP: ${ip}`));

async function resolveDomainWithRetry(domain, retries = 3) {
  for (let i = 0; i < retries; i++) {
    try {
      return await resolveDomain(domain);
    } catch (error) {
      if (i === retries - 1) throw error;
      console.warn(`Retry ${i + 1} for domain ${domain}`);
    }
  }
}

resolveDomainWithRetry('example.com').then(ip => console.log(`Resolved IP: ${ip}`));