Developer and maintainer of open source Internet Infrastructure software: BIND, Kea and DHCP. Operator of DNS root (F-root). Open source for an open Internet.https://bsky.app/profile/isc.orghttps://bsky.app/profile/isc.org/post/3mvq4gsr5y226If you'll be at #NANOG98 in Miami on October 20, we hope you'll join us for ISC's FREE hands-on Kea/Stork workshop! Join ISC's Eddy Winstead to learn more about administering our DHCP server software and our graphical management system. Register at https://nanog.org/events/n98-isc-workshop/. Hope to see you there!17 Sep 2026 16:51 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mvq4gsr5y226https://bsky.app/profile/isc.org/post/3mvn7xkb7522qThe latest versions of BIND are now released: 9.20.29 (stable) and 9.21.26 (development). They contain fixes for 14 CVEs; please read the release notes and upgrade as soon as possible. www.isc.org/download/ Please see the reply to this post 👇 for links to the CVEs fixed in these releases. https://www.isc.org/download/16 Sep 2026 13:16 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mvn7xkb7522qhttps://bsky.app/profile/isc.org/post/3mv5u2k3oic25There's still space to sign up for ISC's FREE hands-on Kea/Stork workshop at #NANOG98 in Miami on October 20! Join ISC's Eddy Winstead to learn more about administering our DHCP server software and our graphical management system. Register at https://nanog.org/events/n98-isc-workshop/10 Sep 2026 10:33 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mv5u2k3oic25https://bsky.app/profile/isc.org/post/3mumpl6vljs2uFunded by a grant from the #Nominet DNS Fund for some new test equipment in our BIND 9 performance monitoring lab, we have achieved significant improvement in BIND's authoritative performance on multi-core systems! Read our latest blog post for the impressive details: https://www.isc.org/blogs/2026-09-03-new-perflab/03 Sep 2026 14:58 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mumpl6vljs2uhttps://bsky.app/profile/isc.org/post/3mujwf3uync2uWill you be at #NANOG98 in Miami? If so, please join ISC for a FREE hands-on workshop on Tuesday, October 20 to learn more about administering Kea DHCP and Stork, our graphical management system! Sign up now at https:// nanog.org/events/n98-isc-workshop/. We hope to see you there! https://nanog.org/events/n98-isc-workshop/02 Sep 2026 12:22 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mujwf3uync2uhttps://bsky.app/profile/isc.org/post/3mtyahkl72c2vKea DHCP 3.3.1 has been released. Development versions are not recommended for production use, but we invite you to try 3.3.1 out in your testing lab and give us your feedback. Software/release notes are available at www.isc.org/download/#Kea. Thank you for using ISC’s software! https://www.isc.org/download/#Kea26 Aug 2026 11:34 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mtyahkl72c2vhttps://bsky.app/profile/isc.org/post/3mtvryh6bhc2vIf you'll be at NANOG 98 in Miami, join us for a FREE hands-on workshop on Tuesday, October 20 to learn more about administering Kea and Stork, our graphical management system! Sign up now at https://nanog.org/events/n98-isc-workshop/. We hope to see you there!25 Aug 2026 12:10 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mtvryh6bhc2vhttps://bsky.app/profile/isc.org/post/3mtgfjdwizs26The August 2026 maintenance releases of BIND 9.20.27 (stable) and 9.21.25 (development) are available and can be downloaded from the link below. Packages and container images provided by ISC will be updated later today. For downloads and more information, visit www.isc.org/download/ https://www.isc.org/download/19 Aug 2026 09:17 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mtgfjdwizs26https://bsky.app/profile/isc.org/post/3msut3o6zuc22ISC is pleased to announce the release of Stork 2.5.1, a development version of the Stork GUI management system. Development versions are not recommended for production use, but we invite you to try 2.5.1 out in your testing lab. https://www.isc.org/download/#Stork. Thank you for using ISC’s software!12 Aug 2026 09:32 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3msut3o6zuc22https://bsky.app/profile/isc.org/post/3mru7sjhjk22hISC is pleased to announce the releases of Kea 3.0.4, a maintenance release on a stable branch, and 3.3.0, a development release. The software can be downloaded from www.isc.org/download/#Kea Please read the release notes before upgrading. Thank you for using ISC's software! https://www.isc.org/download/#Kea30 Jul 2026 10:21 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mru7sjhjk22hhttps://bsky.app/profile/isc.org/post/3mrah7kug2223The July 2026 maintenance releases of BIND 9 are live. Software and release notes at isc.org/download https://kb.isc.org/docs/cve-2026-1072322 Jul 2026 13:41 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mrah7kug2223https://bsky.app/profile/isc.org/post/3mp26gvukqk2vISC is excited to announce the release of Kea 3.2.0! This is a major release and includes a long list of bug fixes, feature improvements, and build changes. For an overview of the main updates available, please read our blog post at www.isc.org/blogs/kea-3-2/ . Thank you for using Kea DHCP! https://www.isc.org/blogs/kea-3-2/24 Jun 2026 14:57 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mp26gvukqk2vhttps://bsky.app/profile/isc.org/post/3mnfafrtfac2qISC is pleased to announce the release of Stork 2.5.0, the latest dev branch of our DHCP and DNS graphical management system. There are many new features and some bug fixes. The Stork software and release notes can be retrieved at https://www.isc.org/download/#Stork Thank you for using ISC’s software!03 Jun 2026 13:41 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mnfafrtfac2qhttps://bsky.app/profile/isc.org/post/3mncuvpbazk26Here's ISC's Petr Špaček giving his "Brace for Upgrades" talk at #RIPE92 last week, as well as a slide from his presentation. The bottom line: streamline your deployment processes, because you're going to need to update often to keep up with the onslaught of AI-discovered vulnerabilities.02 Jun 2026 15:10 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mncuvpbazk26https://bsky.app/profile/isc.org/post/3mncsgulobk26Enjoy a couple of pictures of Ondřej Surý speaking at #RIPE92 ! Were you there for his talk? What did you think?02 Jun 2026 14:26 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mncsgulobk26https://bsky.app/profile/isc.org/post/3mncrvtiyb226ISC's Director of DNS Engineering, Ondřej Surý, spoke at last week's #RIPE92 conference on "DNS, Transitive Trust and How Many is Many." It was an interactive presentation with lots of interesting insights and discussion. Watch the recording/read the transcript at https://ripe92.ripe.net/programme/meeting-plan/sessions/98/ATVK7Z/#video02 Jun 2026 14:17 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mncrvtiyb226https://bsky.app/profile/isc.org/post/3mncpqxm4ec26ISC engineer Petr Špaček recently gave a talk at RIPE 92 in Edinburgh on the impact LLMs are having on some open source projects: "Brace for Updates." It is short and pithy, and it may resonate with a lot of you in FOSS.... https://ripe92.ripe.net/programme/meeting-plan/sessions/76/T7NMB8/#video02 Jun 2026 13:38 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mncpqxm4ec26https://bsky.app/profile/isc.org/post/3mmtqwe5eq22uKea 3.1.9, a development release of ISC's DHCP implementation, is published today. The software is 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. https://www.isc.org/download/#Kea27 May 2026 14:49 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mmtqwe5eq22uhttps://bsky.app/profile/isc.org/post/3mmbumdtwms2hOur May 2026 maintenance releases of BIND 9 are available at isc.org/download : 9.18.49 and 9.20.23 (stable) and 9.21.22 (development). Packages and container images provided by ISC will be updated later today. https://isc.org/download20 May 2026 12:07 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mmbumdtwms2hhttps://bsky.app/profile/isc.org/post/3mjw55jd35k2kIf you haven't seen it yet, we recently posted a blog about how to report a security vulnerability in a way that is helpful and meaningful. Our marketing team is 100% nicer and more restrained than our development team would have been. Read between the lines, people 😉 https://www.isc.org/blogs/2026-04-16-How-to-report-a-vulnerability/20 Apr 2026 09:18 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mjw55jd35k2khttps://bsky.app/profile/isc.org/post/3migxfidh7s2dOur 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!01 Apr 2026 15:00 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3migxfidh7s2dhttps://bsky.app/profile/isc.org/post/3mhv6qzeye22eISC'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! https://isc.org/download25 Mar 2026 13:23 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mhv6qzeye22ehttps://bsky.app/profile/isc.org/post/3mhuwpchknk2eISC 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 https://nominet.uk/blog/investing-in-the-internets-essential-technology-inside-the-first-nominet-dns-fund-projects/ !25 Mar 2026 10:59 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mhuwpchknk2ehttps://bsky.app/profile/isc.org/post/3mhupirdhws2eISC 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!25 Mar 2026 08:50 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mhupirdhws2ehttps://bsky.app/profile/isc.org/post/3mgfut5giks2qWe'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 https://www.isc.org/blogs/2026-03-05-bind-resolver-performance/ Thanks for using ISC's software!06 Mar 2026 17:51 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mgfut5giks2qhttps://bsky.app/profile/isc.org/post/3mgaitd6rr22tISC 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 https://www.isc.org/blogs/2026-two-code-audits/04 Mar 2026 14:33 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mgaitd6rr22thttps://bsky.app/profile/isc.org/post/3mftnekqm6k2oNew 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! https://isc.org/download/#BIND27 Feb 2026 11:49 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mftnekqm6k2ohttps://bsky.app/profile/isc.org/post/3mfomi6e2o223ISC 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! https://www.isc.org/download/25 Feb 2026 11:50 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mfomi6e2o223https://bsky.app/profile/isc.org/post/3mf4vkaysw226Our 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! https://www.isc.org/download/18 Feb 2026 10:44 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3mf4vkaysw226https://bsky.app/profile/isc.org/post/3megfnsywh224ISC mourns the loss of one of our board members, Dr. David "Dave" Farber: https://www.isc.org/blogs/david-farber-memoriam/09 Feb 2026 12:01 +0000at://did:plc:b2f3gnyikxdizzqsskbbpusr/app.bsky.feed.post/3megfnsywh224