The domain name system is basic infrastructure for the Internet. Working DNS underlies most operations, and yet it appears to be a black box to a very large number of system (and network) administrators.
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This talk is aimed at anyone with a basic knowledge of Unix and the Internet with an interest in DNS, and ensuring site availability.
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We cover:
<ul>
  <li>The basics of DNS</li>
  <li>Registrars and registries</li>
  <li>Running your own recursive resolver</li>
  <li>Running your own authoritative nameserver (starting from the root).</li>
  <li>Scaling the DNS system, including multiple servers and anycast</li>
  <li>Building a reliable DNS system</li>
  <li>Distributing global traffic with GeoIPs and CDNs.</li>
  <li>Securing DNS</li>
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