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dns.js
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const dns = require('dns')
dns.resolveNs('google.com', (err, ns) => {
if (err) {
console.error(err)
}
console.log(ns)
})
dns.resolve4('google.com', (err, ips) => {
if (err) {
console.error(err)
}
console.log(ips)
})
dns.resolveMx('google.com', (err, mx) => {
if (err) {
console.error(err)
}
console.log(mx)
})
dns.resolveTxt('google.com', (err, txt) => {
if (err) {
console.error(err)
}
console.log(txt)
})
setTimeout(() => {
dns.setServers(['1.1.1.1'])
console.log(dns.getServers())
dns.resolveNs('google.com', (err, ns) => {
if (err) {
console.error(err)
}
console.log(ns)
})
}, 100)