- 730 名前：デフォルトの名無しさん mailto:sage [2019/03/15(金) 19:13:09.78 ID:4uXCwYPV.net]
- >>711 node
const reverse = hexIP => require('dns').reverse(hexIP
.split(/^(..)(..)(..)(..)$/g)
.map(xx => parseInt(xx, 16) || '')
.join('.').replace(/^\.|\.$/g, ''),
(err, hostnames) => {
console.log(hostnames);
});
console.log(reverse('08080808')); //=> [ 'google-public-dns-a.google.com' ]
console.log(reverse('9da6e21a')); //=> [ 'www.cnn.com' ]
