Browse free open source DNS software and projects below. Use the toggles on the left to filter open source DNS software by OS, license, language, programming language, and project status.

  • Convert CentOS to Red Hat Enterprise Linux on Azure Icon
    Convert CentOS to Red Hat Enterprise Linux on Azure

    Go beyond legacy Linux and streamline your CentOS migration journey by moving mission-critical workloads to Red Hat Enterprise Linux on Azure.

    CentOS Linux is experiencing End of Life on June 30th, leading to potential gaps in security. With Red Hat Enterprise Linux on Azure, IT Teams can seamlessly migrate mission-critical CentOS Linux workloads knowing they don’t have to compromise on security, scalability, reliability, and simplifying cloud management. Securely accelerate innovation and unlock a competitive edge with enterprise-grade modern cloud infrastructure.
  • ThermoGrid Contractor Management Software Icon
    ThermoGrid Contractor Management Software

    ThermoGrid is a specialized contractor management software tool for managing field service operations

    Nail down how you manage your day-to-day and level up your services. Whether you are a plumber, electrician, or HVAC technician, ThermoGrid brings together all areas of your business so you can get the job done right.
  • 1

    DNS2SOCKS

    DNS to SOCKS or HTTP proxy

    This is a command line utility to resolve DNS requests via a SOCKS tunnel like Tor or a HTTP proxy.
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    Downloads: 13,691 This Week
    Last Update:
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  • 2
    Gobuster

    Gobuster

    Directory/File, DNS and VHost busting tool written in Go

    Gobuster is a tool used to brute-force. This project is born out of the necessity to have something that didn't have a fat Java GUI (console FTW), something that did not do recursive brute force, something that allowed me to brute force folders and multiple extensions at once, something that compiled to native on multiple platforms, something that was faster than an interpreted script (such as Python), and something that didn't require a runtime. Provides several modes, like the classic directory brute-forcing mode, DNS subdomain brute-forcing mode, the mode that enumerates open S3 buckets and looks for existence and bucket listings, and the virtual host brute-forcing mode (not the same as DNS!). Since this tool is written in Go you need to install the Go language/compiler/etc. Full details of installation and set up can be found on the Go language website. Once installed you have two options. You need at least go 1.16.0 to compile gobuster.
    Downloads: 139 This Week
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  • 3
    theHarvester

    theHarvester

    E-mails, subdomains and names

    theHarvester is a very simple to use, yet powerful and effective tool designed to be used in the early stages of a penetration test or red team engagement. Use it for open source intelligence (OSINT) gathering to help determine a company's external threat landscape on the internet. The tool gathers emails, names, subdomains, IPs and URLs using multiple public data sources.
    Downloads: 79 This Week
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  • 4
    A client for automaticly updating your EZ-IP.net, justlinux.com, dhs.org, dyndns.org, ods.org, gnudip.cheapnet.net, tzo.com, easydns.com dynamic hostname parameters. Includes daemon support that only sends updates if your IP address changes.
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    Downloads: 3,965 This Week
    Last Update:
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  • Need To Secure Your Public Cloud? Icon
    Need To Secure Your Public Cloud?

    Built for Developers, DevOps and Engineering Teams

    View all cloud assets of AWS, Google Cloud, Azure, Kubernetes, Digital Ocean in one place. Automates security misconfigurations of assets with guidance to resolve them. Covers far beyond basic checklists. It automatically evaluates the security misconfigs of the assets & provides step-by-step guidance to resolve them
  • 5

    Acrylic DNS Proxy

    A local DNS proxy which improves the performance of your computer

    Acrylic is a local DNS proxy for Windows which improves the performance of your computer by caching the responses coming from your DNS servers and helps you fight unwanted ads through the use of a custom HOSTS file (optimized for handling hundreds of thousands of domain names) with support for wildcards and regular expressions. When you browse a web page a portion of the loading time is dedicated to name resolution while the rest is dedicated to the transfer of the web page contents. What Acrylic does is to reduce the time dedicated to name resolution for frequently visited addresses closest to zero possible. Furthermore Acrylic's sliding expiration caching mechanism and DNS silent updates are able to improve the browsing experience independently of the browser. With Acrylic you can also gracefully overcome downtimes of your DNS servers without disrupting your work, because in that case you will at least be able to connect to your favourite websites and to your email server.
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    Downloads: 469 This Week
    Last Update:
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  • 6
    SmartDNS

    SmartDNS

    Local DNS server to obtain the fastest website IP

    SmartDNS is a local DNS server. SmartDNS accepts DNS query requests from local clients, obtains DNS query results from multiple upstream DNS servers, and returns the results with the fastest access speed to clients, improving network access speed. At the same time, it supports the designation of specific domain name IP addresses, and high-quality matching to achieve the effect of filtering advertisements. Different from all-servers of dnsmasq, smartdns returns the resolution results with the fastest access speed. Supports Raspberry Pi, openwrt, ASUS router, windows and other devices. Supports domain name suffix matching mode, simplify filtering configuration, filter 200,000 records in less than 1ms. Supports domain name shunting, different types of domain names are queried to different DNS servers. Support standard Linux system (Raspberry Pi), various firmware of openwrt system, and native firmware of ASUS router. And support for Windows 10 WSL (Windows Subsystem for Linux).
    Downloads: 13 This Week
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  • 7
    Self Integrated DNS DHCP Server Open Source Freeware Windows/Linux. Works as DHCP or DNS Server or both. Using both services automatically adds DHCP allotted hosts automatically to DNS Server. Support Relay Agent, PXEBOOT, BOOTP, Zone Trasfer, DHCP Range Filters. Download.
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    Downloads: 174 This Week
    Last Update:
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  • 8
    TeemIp - IPAM and DDI solution

    TeemIp - IPAM and DDI solution

    IP Address Management - CMDB - Ticketing - DNS and Zone Management

    TeemIp is a free, open source, WEB based, IP Address Management (IPAM) tool that provides comprehensive IP Management capabilities. It allows you to manage your IPv4, IPv6 and DNS spaces: track user requests, discover and allocate IPs, manage your IP plan, your subnet space, your zones and DNS records in accordance with best in class DDI practices. At the same time, TeemIp's CMDB allows you to manage your IT inventory and links your CIs to the IPs they use. Project source code is located on https://github.com/TeemIP
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    Downloads: 162 This Week
    Last Update:
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  • 9
    DNS-Based Host Blocking for Android

    DNS-Based Host Blocking for Android

    DNS-based Host Blocker (and lightweight ad blocker) for Android

    This is a DNS-based host blocker for Android. In the default configuration, several widely-respected host files are used to block ads, malware, and other weird stuff. On the first start, you must manually update the hosts files (using the refresh button) before the service can work correctly (issue #1); and you must also update the hosts files yourself regularly for now. Items in the hosts and DNS servers lists can be moved around and removed) of the list using standard RecyclerView interactions (long press makes the entry movable, swipe to either side removes it). For hosts, a later entry overrides a previous entry; for DNS servers, the first server is preferred. There's also no validation of input, so DNS servers that are not valid IPv4 addresses are not rejected, neither are URLs for DNS server entries (we intend to support URLs in the future, so you can point the app to a remote list of servers).
    Downloads: 2 This Week
    Last Update:
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  • Integrate in minutes with our email API and trust your emails reach the inbox | SendGrid Icon
    Integrate in minutes with our email API and trust your emails reach the inbox | SendGrid

    Leverage the email service that customer-first brands trust for reliable inbox delivery at scale.

    Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption.
  • 10
    OpenWrt-dist

    OpenWrt-dist

    A depot of OpenWrt device.

    Downloads: 96 This Week
    Last Update:
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  • 11
    Poweradmin
    Poweradmin is a web-based DNS administration tool for PowerDNS server. The interface has full support for most of the features of PowerDNS. It has full support for all zone types, for supermasters, full support for IPv6 and multi-language support.
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    Downloads: 64 This Week
    Last Update:
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  • 12

    inadyn-mt - dynamic DNS client

    Multi-platform inadyn, inadyn-advanced DDNS client fork.

    Multiple services fork of original multi-platform inadyn, and inadyn-advanced projects. Supports many update services, easily extendable for others including additional servers config file, custom response codes, custom parameter names, and custom update server type. Highly flexible with many per alias option parameters. Supports IPv4, and IPv6. Console, or installed as a service. Unicode. And other features. dyndns.org (dynamic, static, & custom) freedns.afraid.org zoneedit.com no-ip.com easydns.com sitelutions.com dnsomatic.com ipv6tb.he.net tzo.com dhis.org two-dns.de www.dnsdynamic.org dnspark.com regfish.de www.ovh.com joker.com system-ns.com changeip.com dnsexit.com nsupdate.com loopia.com domains.google.com (requires SSL bridge, like stunnel) duckdns.org di.fi ddnss.de dynv6.com selfhost.de
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    Downloads: 59 This Week
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  • 13
    THIS PROJECT IS DISCONTINUED. ProBIND is a web application designed for managing the DNS zones for one or more servers running the ISC BIND DNS server software. For more information, visit the project website.
    Downloads: 19 This Week
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  • 14
    MyHotspot

    MyHotspot

    Wireless-LAN for Hotels ,Cafés and Shools

    Give your customers the flexibility and extra mobility with Wireless Internet Access MyHotspot is a professional Wireless LAN Free software solution for providing internet access to your customers. Customers will be redirected to your login page to authenticate with user account or a prepaid-code before getting the Internet access. The PayPal payment option allows your customers to create and pay for network access directly. The software controls download, upload, data transfer, time usage, visited pages. MyHotSpot Billing software runs on your Windows PC, controls unlimited user or prepaid-code accounts, and displays data to customers on your self-branded pages. MyHotspot billing software is the definitive tool for managing your public WIFI-HotSpot in internet cafes, shools, hotels, bistros or gaming cafe / game center.
    Downloads: 11 This Week
    Last Update:
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  • 15
    Small HTTP server

    Small HTTP server

    Universal server

    It is not only a web server, it is also Mail server, DNS server, FTP server, Proxy server, VPN server and client... All in one! This program will help you to open all the possibilities Internet can offer for your company - public site, provide Internet access and personal mailboxes for each employee! HTTP server. Server Side Includes. Regular expression in SSI. CGI interface for scripts (Executable files; Perl,PHP, or another external interpreters) ISAPI interface. Virtual hosts and directories Mail POP3 server. SMTP server. FTP server HTTP proxy server DNS server DHCP server HTTP TLS VPN server
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    Downloads: 31 This Week
    Last Update:
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  • 16
    Ddclient is a Perl client used to update dynamic DNS entries for accounts on 'Dynamic DNS Network Services' free DNS service. It currently supports a lot of different routers and a few different services. The project moved to github. See https://www.github.com/ddclient/ddclient for support.
    Downloads: 29 This Week
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  • 17
    Dynamic DNS update tool for DynDns services. Features: Stateful memory, a complete activity log, configuration file, and cross-platform portability.
    Downloads: 27 This Week
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  • 18
    Objective: To add capabilities to Bind 9 that will allow Bind backend databases to support adding and removing zones without interrupting normal server operation.
    Downloads: 8 This Week
    Last Update:
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  • 19
    Visual Synapse are component wrappers around the Synapse tcp/ip libraries. It wraps a few common internet protocols, like HTTP, UDP, DNS, ICMP, TCP and SMTP to multi-threaded components that can be used with Delphi, Kylix, Freepascal and C++ Builder.
    Downloads: 20 This Week
    Last Update:
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  • 20
    A DNS server for Unix and Windows platforms, supporting authoritative service (master/slave) as well as caching. Also featuring a graphical master file editor (mfedit), a graphical DNS query tool (dnsquery) and a DNS programming library for C++ (poslib).
    Downloads: 19 This Week
    Last Update:
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  • 21

    Java Dynamic DNS Client

    Java Dynamic DNS Client. Platform independent.

    Java Dynamic DNS Client. Platform independent. Runs as application or demon. Supports ZoneEdit, Enom, ChangeIP, DynDNS.org, dhis.org. Simple to handle. Management per JMX and Ajax web interface. Mail Notification. Free accessibility monitoring w. JXTA P2
    Downloads: 10 This Week
    Last Update:
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  • 22
    PHP class for whois queries, can query the correct whois server for domain names, ip addresses and AS handles and returns data in a structured array.
    Downloads: 3 This Week
    Last Update:
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  • 23
    InjectSOCKS

    InjectSOCKS

    Forces foreign software to do all TCP connections through SOCKS tunnel

    InjectSOCKS is an open source utility for Microsoft Windows. It forces foreign software to create any TCP connection through a SOCKS V5 tunnel like Tor. It also covers DNS requests of the foreign software in a way that they aren't leaked. The implemented technology is independent from the used protocols on TCP, so it works for HTTP, HTTPS, passive FTP, SMTP, etc.
    Downloads: 4 This Week
    Last Update:
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  • 24
    twert

    twert

    Website, application blocking with scheduling. Self/Parental control.

    Anti-procrastination website and application blocker with scheduling. Perfect for students and parents alike. A free and open-source alternative to Cold Turkey. Made by Dang Nam Anh, Truong Duc Quan and Trieu Tran Duc Tri.
    Downloads: 14 This Week
    Last Update:
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  • 25
    BIND 9 dynamic DNS webmin module. This module supports both static and dynamic zones, and IPv4 and IPv6 addressing in both forward and reverse zones.
    Downloads: 13 This Week
    Last Update:
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