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<pre class="api_stability_3">Stability: 3 - Stable</pre><p>Use <code>require('dns')</code> to access this module. All methods in the dns module
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use C-Ares except for <code>dns.lookup</code> which uses <code>getaddrinfo(3)</code> in a thread
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pool. C-Ares is much faster than <code>getaddrinfo</code> but the system resolver is
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<code>net.connect(80, 'google.com')</code> or <code>http.get({ host: 'google.com' })</code> the
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<code>dns.lookup</code> method is used. Users who need to do a large number of lookups
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quickly should use the methods that go through C-Ares.