The Leader in DNS security

  • CDNS provides greater levels of security over BIND and NSD.
  • With operating systems, data and network all encrypted.
  • We provide unequalled levels of security to your disaster mitigation plans.
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Established leader in operational capacity

  • CDNS currently supports over 68% of the Internet.
  • Amazing speed and platform efficiency, with extraordinary capacity.
  • Each of our over 40 nodes comfortably handles over 863,000 queries per second.
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Resilience of your DNS matters!

  • We have over 40 Anycast nodes distributed globally.
  • CDNS can handle traffic volumes beyond where other DNS platforms have failed.
  • Oustanding service delivery, with 100% uptime since 1996.
  • Be Happy: Your DNS always resolves with CDNS!
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DNSSEC — We can help you

  • We exceed BIND and NSD in handling signed zones of any size - even as large as .COM or much larger.
  • CDNS offers Full DNSSEC (NSEC, NSEC3, NSEC3 w/OptOut) compliance.
  • We provide a simplified and complete zone signing tool for domain names and TLDs/ccTLDs.
  • CDNS are currently supporting thousands of signed zones (and growing).
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Established IPv6 support

  • Pioneers in IPv6 and DNS.
  • Native support for IPv6 and IPv4, globally.
  • IPv6 compliance included since our platform’s original design.
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Experienced in IDN support

  • Full IDN technology support since 2003.
  • Supporting IDNs in production at second level for over 2 years.
  • We currently support IDN Top Level Domains.
  • CDNS: Powering and enabling a global Internet.
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  • Test Drive Us

    CDNS invites all TLD registries and ISPs to test our incredible DNS resolution platform, with no obligations. Just contact us and we'll do the rest.

  • Live Statistics

    Why not take a look at our live activity statistics? Click on the button to see more. We remotely monitor ALL of your servers at no extra charge!

  • Network Map

    We have one of the largest and most secure Anycast DNS constellations in service on the Internet.

Company Highlights

The Keys to the Internet

Paul Kane, President of CDNS, is designated to be a holder of one of the keys to the Internet.