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22 lines
392 B
22 lines
392 B
# frozen_string_literal: true |
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class DomainResource |
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attr_reader :domain |
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RESOLVE_TIMEOUT = 5 |
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def initialize(domain) |
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@domain = domain |
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end |
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def mx |
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Resolv::DNS.open do |dns| |
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dns.timeouts = RESOLVE_TIMEOUT |
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dns |
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.getresources(domain, Resolv::DNS::Resource::IN::MX) |
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.to_a |
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.map { |mx| mx.exchange.to_s } |
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.compact_blank |
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end |
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end |
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end
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