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SPECIFICTION
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BIND 9

isc.org

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Spec score 8.1 #3 of 23 in DNS Server Software

Spec sheet

Purpose
BIND 9 is DNS name server software used by enterprises and service providers as a platform for distributed computing systems.Read 30 Sep 2026 · isc.org
Intended users
ISC describes BIND use across hosting providers, enterprises, service providers, carriers, ISPs, universities, and government organizations.Read 30 Sep 2026 · isc.org
Integrations
BIND can be monitored with ISC's Stork tool, which retrieves BIND configuration and zone information through its agent using RNDC and AXFR.Read 30 Sep 2026 · isc.org
Support
ISC offers paid support with service levels and private expert support, while community help is available through public user mailing lists.Read 30 Sep 2026 · isc.org
Headquarters
Newmarket, New Hampshire, USARead 23 Sep 2026 · isc.org
Founded
1994Read 23 Sep 2026 · isc.org
DNS roles
BIND is used for authoritative DNS and recursive resolver services, including root-zone and top-level-domain publishing, large hosting zones, and enterprise internal and external zones.Read 30 Sep 2026 · isc.org
Download options
ISC provides source downloads, packages for Ubuntu, CentOS/Fedora and Debian, and an official Docker image.Read 30 Sep 2026 · isc.org
Notable limit
ISC's vulnerability policy covers only the latest monthly releases of supported stable maintenance versions and excludes development and end-of-life versions.Read 30 Sep 2026 · kb.isc.org
Open source license
BIND 9 is open source software licensed under MPL 2.0.Read 30 Sep 2026 · isc.org
Protocol security
The feature matrix lists DNSSEC validation, DNS over HTTPS, and DNS over TLS among BIND 9 features.Read 30 Sep 2026 · kb.isc.org
Security response
ISC says it assesses vulnerabilities using CVSS and publishes patched versions of supported affected code with public security disclosures.Read 30 Sep 2026 · kb.isc.org
Stork limitation
Stork currently reads and displays BIND information but does not modify BIND.Read 30 Sep 2026 · isc.org
Supported release
The BIND page lists version 9.20.29 as the current stable ESV release, released in September 2026, with end of life in Q2 2028.Read 30 Sep 2026 · isc.org

Plans and prices

BIND 9 open source Free MPL 2.0 licensed software · community support via public mailing list Read 30 Sep 2026 · isc.org
ISC support subscription Priced on request Annual software support service; pricing based on deployment size and service level Gold, Silver, Bronze, and Basic levels · Gold, Silver, and Bronze include support response targets · Silver and above include BIND -S subscriber edition Read 30 Sep 2026 · isc.org

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