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Mission Critical Software

We’re the authors of the DNS open source software BIND, we’ve written over 60 RFCs, and we’re proud to be contributors to the Internet Engineering Task Force.

KnowledgeBase

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F-Root Operator

We’ve operated F-Root, one of the world’s thirteen root name servers, since 1994. We also provide secondary DNS hosting for 54 ccTLDs around the world.

Network Peering

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Public Benefit

We’ve contributed more than $68,000,000 in software and engineering hours to the internet community, looking to build a faster, more secure and reliable Internet.

Member Program

  • ISC DHCP 4.3.0 is Live!

    February 5, 2014
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    ISC DHCP 4.3.0 is now online! As mentioned in the previous blog by Shawn Routhier, the theme behind the of DHCP 4.3.0 is “v6 uplift”. Certain features that were specifically designed for DHCPv4 is now available for DHCPv6, making network management of IPv6 network more manageable and...

    Read more

F-Root is distributed using “anycast” technology all around the world, with 54 operational locations, carrying 25% of the root name server traffic, and operating an average 16,000 queries per second.

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Is your software updated against a security vulnerability?

It is important to keep your software up-to-date against potential cyber attacks and vulnerabilities. View the latest security advisories for BIND and DHCP at ISC’s KnowledgeBase or Security Advisory page

Community Support

BIND  and DHCP are open source software. Community support is available on our two public mailing lists: bind-user and dhcp-user.  We also provide expert professional support for our enterprise users via http://www.dns-co.com/. You can reach our support team by filling out the form at http://www.dns-co.com/contact/

BIND security is critical to the Internet Infrastructure. If you think you may be seeing a potential security vulnerability in BIND (for example, a crash with REQUIRE, INSIST, or ASSERT failure), please report it immediately to security-officer@isc.org and do not post it on the public mailing list.

To report a bug, please submit a Bug Report Form, or submit via email to bind-bugs@isc.org and dhcp-bugs@isc.org

If you wish to submit a feature request, email us at:

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Sponsor Highlight

Cisco is the worldwide leader in networking that transforms how people connect, communicate and collaborate. Over the years, Cisco has donated a significant amount of equipment to help ISC build advanced network infrastructure to bring F-Root and Secondary Name Service to our Internet community.

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