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DNS Servers & Libraries

Open-source DNS components—covering authoritative/recursive server implementations, resolver libraries, DNSSEC support, and emerging protocols (DNS-over-HTTPS).

20 projects

17,209 contributors

$39M

AdGuard Home

Network-wide ads & trackers blocking DNS server

Contributors

4,839

Organizations

569

Software value

$6.8M

Pi-hole

A black hole for Internet advertisements

Contributors

4,075

Organizations

616

Software value

$222K

CoreDNS

CoreDNS is a DNS server. It is written in Go. It can be used in a multitude of environments because of its flexibility.

Contributors

3,063

Organizations

942

Software value

$4.2M

PowerDNS

PowerDNS is an authoritative DNS server and recursive DNS server software that provides high-performance, secure domain name resolution. It supports multiple backends including SQL databases, and offers features like DNSSEC, zone transfers, and dynamic updates.

Contributors

2,525

Organizations

577

Software value

$17M

DNSControl

DNSControl is a system for maintaining DNS zones through a human-readable DSL configuration language, enabling version control and automation of DNS records across multiple providers. It allows infrastructure and DNS changes to be kept in sync using code-driven workflows.

Contributors

913

Organizations

327

Software value

$7.5M

DNS Library for Go

A complete DNS library implementation in Go that provides functionality for building DNS servers and clients, supporting all DNS record types and operations including queries, zone transfers, dynamic updates, and DNSSEC

Contributors

878

Organizations

317

Software value

$925K

dnspython

DNSPython is a DNS toolkit for Python that supports almost all record types and allows for both high and low level DNS queries, zone transfers, dynamic updates, and name resolution. It can be used for querying, zone transfers, and dynamic updates, and includes a basic DNS server.

Contributors

774

Organizations

238

Software value

$1.4M

Internationalized Domain Names in Applications (IDNA)

A Python library that implements IDNA (Internationalized Domain Names in Applications) protocol for handling internationalized domain names, allowing conversion between Unicode domain names and their ASCII-compatible encoded forms.

Contributors

142

Organizations

74

Software value

$1.1M

BIND 9

Mirror of https://gitlab.isc.org/isc-projects/bind9, please submit issues and PR/MRs in the GitLab. Any issues and PRs opened here will be closed without a comment.

This project hasn't been onboarded to LFX Insights.

DNSCrypt Proxy 2

dnscrypt-proxy 2 - A flexible DNS proxy, with support for encrypted DNS protocols.

This project hasn't been onboarded to LFX Insights.

Knot Resolver

Knot Resolver - resolve DNS names like it's 2025

This project hasn't been onboarded to LFX Insights.

NSD

The NLnet Labs Name Server Daemon (NSD) is an authoritative, RFC compliant DNS nameserver.

This project hasn't been onboarded to LFX Insights.

Public Suffix List

The Public Suffix List

This project hasn't been onboarded to LFX Insights.

Unbound

Unbound is a validating, recursive, and caching DNS resolver.

This project hasn't been onboarded to LFX Insights.

dnsjava

dnsjava - an implementation of the DNS protocol in Java

This project hasn't been onboarded to LFX Insights.

dnsmasq-china-list

Chinese-specific configuration to improve your favorite DNS server. Best partner for chnroutes.

This project hasn't been onboarded to LFX Insights.
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