const dns = require('dns')
dns.lookup('domainName', function(err, result) {
console.log(result)
})
related:https://stackoverflow.com/questions/36689536/how-to-resolve-hostname-to-an-ip-address-in-node-js
nodejs查看本机hosts文件域名对应ip
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转载自www.cnblogs.com/demonrain/p/8933518.html
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