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Categories / Ruby / Network

 

Get email server

require 'resolv' dns = Resolv::DNS.new domain = "oreilly.com" dns.each_resource(domain, Resolv::DNS::Resource::IN::MX) do |mail_server|   puts mail_server.exchange end # smtp1.oreilly.com # smtp2.oreilly.com == Get name server require 'resolv' dns = Resolv::DNS.new dns.each_resource(domain, Resolv::DNS::Resource::IN::NS) do |nameserver|   puts nameserver.name end # a.auth-ns.sonic.net # b.auth-ns.sonic.net # c.auth-ns.sonic.net # ns.oreilly.com