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failover-dns

v1.0.1

Published

Use local cache dns query result when dns query fail.

Downloads

1

Vulnerabilities

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  • 0High
  • 0Medium
  • 0Low

Links

Git

Maintainers

dead-horsedead-horsefengmk2fengmk2popomorepopomore

Keywords

dnsfailover-dns

Readme

failover-dns

NPM version build status Test coverage David deps Known Vulnerabilities npm download

Use local cache dns query result when dns query fail.

  • Support dns lookup with options.timeout.

Installation

$ npm install failover-dns

Quick start

const dns = require('failover-dns');

// must listen `error` event to logging by yourself
dns.on('error', err => console.error(err));

dns.lookup('cnpmjs.org', { family: 4, timeout: 2000 }, (err, ip, family) => {
  if (err) throw err;
  console.log(ip, family);
});

Default dns query timeout

Default is 0:

exports.defaultTimeout = 0;

Maybe you want to set global default timeout is 2000ms:

exports.defaultTimeout = 2000;

License

MIT