Our April 2026 maintenance releases of BIND 9 are available: 9.18.48 and 9.20.22 (stable), and 9.21.21 (development). For more information, or to download the software or release notes, please visit the ISC software download page: www.isc.org/download/ Thanks for using ISC's software!

ISC's March 2026 maintenance releases of BIND 9 are available at isc.org/download : stable branches 9.18.47 and 9.20.21, and development branch 9.21.20. Packages and container images provided by ISC will be updated later today. Thanks for using ISC's software!

ISC is proud to be one of the first projects to receive funding from the @nominet.uk DNS Fund! They are generously supporting the purchase of some new test equipment for our BIND 9 performance monitoring lab, and we are grateful for their support. Read more at nominet.uk/blog/investi... !

ISC is pleased to announce the releases of Kea 2.6.5 and 3.0.3 (stable) and 3.1.7 (development). The releases are available from the ISC download page at www.isc.org/download/#Kea. Thank you for using ISC’s software!

We've just posted a blog on BIND 9.20 resolver performance compared to 9.18. tl;dr: under mid- to heavy traffic loads, 9.20 uses less memory than 9.18. Read more about our performance benchmarking at www.isc.org/blogs/2026-0... Thanks for using ISC's software!

ISC is pleased to announce the results of code audits for our Kea DHCP and Stork graphical management software projects! Thank you to @ostifofficial.bsky.social and the ICANN Grant Program for their support and assistance. Read more about the audits at www.isc.org/blogs/2026-t...

New maintenance releases of BIND 9 are available and can be downloaded at isc.org/download/#BIND. The new stable branches are 9.18.46 and 9.20.20, and the new development branch is 9.21.19. Please see the release notes for important changes and details. Thank you for using ISC's software!

ISC is pleased to announce the releases of Kea DHCP 3.1.6 (development branch) and Stork 2.4.0, a new stable branch. Software and release notes available at www.isc.org/download/ Thank you for using ISC’s software!

Our February 2026 maintenance releases of BIND 9 are available for versions 9.18.45, 9.20.19, and 9.21.18. Packages and container images provided by ISC will be updated later today. Download source code and release notes at www.isc.org/download/ Thank you for using ISC's software!

ISC mourns the loss of one of our board members, Dr. David "Dave" Farber: www.isc.org/blogs/david-...

ISC, CZ.NIC, NLnet Labs, and NetDEF have jointly submitted a response to the European Open Digital Ecosystem Strategy, and we invite everyone to read it. www.isc.org/blogs/open-d...

BIND 9 January 2026 maintenance releases are available at isc.org/download. Packages and container images provided by ISC will be updated later today. In addition to bug fixes and feature improvements, these releases also contain fixes for a security vulnerability: kb.isc.org/docs/cve-202...

2025 was a highly productive year for our BIND 9 DNS team! They focused on modernizing the code, improving performance, and adding new features. Find out more at www.isc.org/blogs/2025-b...

Our DHCP development team was very busy in 2025! Find out more about the progress on our Kea and Stork software at www.isc.org/blogs/2025-d...

The European Commission's offer to fund a bug bounty for BIND 9 impressed us. The YesWeHack team are doing the initial triage and using their expertise to minimize the "slop" reports, which should be a game-changer for our small development team. It's live! yeswehack.com/programs/bin...

Want to know a little more about one of ISC's staff members? Come meet Razvan Becheriu, a senior DHCP software engineer! www.isc.org/blogs/isc-pr... Check out some of our previous staff profiles on our blog while you're there. 🙂

ISC wishes all our customers and open source users a very happy and healthy holiday season. Please check out our 2025 holiday "card"! www.isc.org/blogs/2025-h...

The BIND 9.18.43 / 9.20.17 (stable) and BIND 9.21.16 (development) releases are now available at www.isc.org/download/ ! Packages and container images provided by ISC will be updated later today. Thank you for using ISC's software!

Are you looking for a new challenge? Would you like to be part of a great team - and work remotely? ISC is looking for a QA engineer for our Stork graphical management tool for DNS and DHCP! All qualified candidates are encouraged to apply at isc.recruitee.com/o/stork-qa

Stork 2.3.2 is available: www.isc.org/download#Stork. Packages and container images provided by ISC will be updated later today. This is a development version; please note that development versions are not recommended for use in production. Thank you for using ISC's software and happy holidays!

ISC is pleased to announce the release of Kea 3.1.4, a development release. The releases are available from the ISC download page at www.isc.org/download/#Kea or from our Cloudsmith repositories. Development versions are not suitable for production use. Thank you for using ISC's software!

ISC's November 2025 maintenance releases of BIND 9 are available! 9.18.42 and 9.20.16 are the current stable branches, and 9.21.15 is the development branch. www.isc.org/download Packages and container images provided by ISC will be updated later today.

Kea 3.0.2 (stable) and 3.1.3 (maintenance, the latest versions of ISC's DHCP server software, are released. Downloads available at www.isc.org/download/#Kea and from our Cloudsmith repos. Development versions are not suitable for production use. Thank you for using ISC’s software!

Our October 2025 maintenance releases of BIND 9 are available! www.isc.org/download Packages and container images provided by ISC will be updated later today. Check the release notes for important changes. Thanks for using ISC's software!

ISC has released Stork 2.3.1, the latest issue of our development branch. Stork is our open source graphical management tool for DNS and DHCP. Download it from isc.org/download or our Cloudsmith repo at cloudsmith.io/~isc/repos/s... Thank you!

If you're currently a user of OpenDNSSEC, you might find this new KB article about migrating from OpenDNSSEC to BIND 9 useful: kb.isc.org/docs/migrati... And if you'll be at the #oarc45 meeting next week in Stockholm, several ISC staff members will also be there and would love to chat with you!

Internet Systems Consortium is pleased to announce the release of Kea 3.1.2, a development release. Development releases are not intended for production use. The software is available from the ISC download page at www.isc.org/download/#Kea. Thank you for using ISC’s software!

Thank you to our friends at #Nominet for creating the Nominet DNS Fund! It's for projects that "improve the security, long-term sustainability, and resilience of DNS open source projects." We like the sound of that and encourage potential recipients to apply. nominet.uk/our-impact/n...

Will you be at ALANOG-7 in Birmingham, AL this Thursday, Sept. 25? It looks like tickets are already sold out, but if you're one of the lucky ones who's going, don't miss ISC Engineer Eddy Winstead, who will be speaking about "Why DNS?" at 9 AM! www.eventbrite.com/e/alanog-7-a...

Our September 2025 maintenance releases of BIND 9.20.13 and 9.21.12 are available at www.isc.org/download. ISC packages and container images will be updated later today. Supported platforms are listed in the ARM (bind9.readthedocs.io/en/stable/ch...) and in our KB (kb.isc.org/docs/support...).

Our September 2025 maintenance release of Stork (version 2.2.1) is available and can be downloaded from www.isc.org/download. Packages and container images provided by ISC will be updated later today. A summary of significant changes in the new release can be found in the release notes.

Internet Systems Consortium is pleased to announce the releases of Kea 3.0.1 (stable) and 3.1.1 (development). The releases are available from the ISC download page at www.isc.org/download/#Kea. Development versions are not suitable for production use. Thank you for using ISC’s software!

ISC is happy to announce the latest maintenance releases of our BIND DNS software, which can be downloaded from the ISC software download page, www.isc.org/download. Packages and container images provided by ISC will be updated later today. Check the release notes for important changes in each.

ISC is pleased to announce the release of Stork 2.3.0, our graphical tool for DHCP and DNS management. This is a new development branch. Download/notes at www.isc.org/download/#St... Packages at cloudsmith.io/~isc/repos/s... Thank you for using ISC's software!

ISC is pleased to announce the release of Kea DHCP 3.1.0. This is a new development branch, provided for testing. Software and release notes: www.isc.org/download/#Kea . Thank you for using ISC’s software!

Kea DHCP 2.6.4 is released! This is a maintenance release on an existing stable branch. Software and release notes are available at www.isc.org/download/#Kea Source tarballs and packages are available from our Cloudsmith repositories at cloudsmith.io/~isc/repos/k... for the updated stable version.

Our July 2025 maintenance releases of BIND 9 are available: www.isc.org/download. Packages and container images provided by ISC will be updated later today. Check the release notes for details. Thank you for using ISC's software!

ISC is excited to announce the release of Kea 3.0.0! This is the first Long-Term Support (LTS) version. There are MANY backward-incompatible changes, so we strongly encourage our users to READ THE RELEASE NOTES thoroughly before upgrading. The software and release notes: www.isc.org/download/#Kea.

Our June 2025 maintenance releases of BIND 9 are available: 9.20.10 and 9.21.9. Download/release notes at www.isc.org/download#BIND. A notable new feature in the 9.21.9 version is the addition of zone templates. Please share your feedback! Thank you for using ISC's software!

This Saturday, June 14 at 2:30 PM EDT, Dan Mahoney of ISC will speak about "Running a root DNS server on FreeBSD -- from Alpha to Now" at BSDCan 2025 in Ottawa! We hope you can be there! indico.bsdcan.org/event/5/cont...

Stork 2.2.0 is live! This is the second stable branch of Stork, our graphical management dashboard for DHCP and DNS. Your feedback is appreciated! Read more details about the new features at www.isc.org/blogs/stork-... Thank you for using ISC’s software!

And finally, on Thursday, June 14 at 2:30 PM EDT, Dan Mahoney of ISC will be speaking about "Running a root DNS server on FreeBSD -- from Alpha to Now" at BSDCan 2025 in Ottawa! indico.bsdcan.org/event/5/over...

We also have staff members attending #nanog94 in Denver. They'd love to chat with you if you're onsite! nanog.org/events/nanog...

ISC is out and about this week! Several of our staff members are attending/presenting at #ICANN83 in Prague - if you're there, please say hello to them!

Did you know that ISC has TWO job openings at the moment? We are looking for two additional engineers for the Stork team. Stork is our powerful, scaleable, easy-to-use, open source, graphical management tool for DHCP and DNS. If you're not a bot, please apply at isc.recruitee.com !

Kea 2.4.2 is expected to be our last release on the old stable branch, which we will be retiring with the release of Kea 3.0, expected in June. Kea 2.6.3 is our current stable version.

Please note a new known issue in all current versions of Kea: A problem was discovered that can occur when Kea is configured incorrectly. This issue can cause the Kea process to print an error and terminate unexpectedly. 1/2

Kea 2.4.2, 2.6.3 and 2.7.9 are live! All three of these releases contain fixes addressing multiple security issues detailed in three CVEs published today. 1/4

New BIND releases are available: 9.18.37, 9.20.9, 9.21.8 Our May 2025 maintenance releases of BIND 9 are available and can be downloaded from www.isc.org/download. Packages and container images provided by ISC will be updated later today. Thank you for using ISC's software!

ISC is hiring! We are looking for two additional engineers for the Stork team. Stork is our powerful, scaleable, and easy-to-use Open Source graphical management tool for DHCP and DNS. These are both 100% remote, work-from-home jobs and ISC is a great place to work. Apply at isc.recruitee.com