Caching DNS resolver
License: Apache License 2.0
Cache DNS A and AAAA record resolutions.
index.js
async function run() {
console.log('resolve("zeit.co")');
for (let i = 0; i < 10; i++) {
console.time('resolve');
console.log('IP: ', await dnsResolve('zeit.co'));
console.timeEnd('resolve');
}
}
run().catch(console.error);% node index.js
resolve("zeit.co")
IP: 54.153.55.116
resolve: 569.156ms
IP: 54.153.55.116
resolve: 0.256ms
IP: 54.153.55.116
resolve: 0.061ms
IP: 54.153.55.116
resolve: 0.036ms
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