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Products that do what DNS Directory does

Free and Live-monitored Database of 77k+ Public DNS Servers

  1. 1OD

    Hey HN! We built DNS Directory (https://dnsdirectory.com), a free, searchable database of public DNS servers with live monitoring every 10 minutes. We needed to find an up-to-date list of DNS servers used by carriers around the world for a proxy fingerprinting / web-scraping project but we were shocked to find that it didn’t exist so we built it ourselves in an internal Hackathon We’re adding more features but so far we: Test 77K+ servers every ~10 minutes Allow filtering by uptime, location, security features (ad blocking, malware protection, DNSSEC) Show info on IPv6…

    Dec 2025 · dnsdirectory.com

  2. 2AS

    2017 · dnsrecords.io

  3. 3DA

    Tired of companies snooping through your DNS traffic? Don't you wish you could get advertisements with your DNS records? Today we're introducing the innovative, privacy-focused, ad-supported DNS resolver - DN$! Traditional DNS resolvers provided by your internet service provider, cloudflare, or google could be tracking your internet activity and selling it to third-party data vendors. We at DN$ want to fix that and cut out these nefarious actors (until we've amassed a critical number of users to exploit). In order to support such a radically new business model, our service needs to serve…

    2024 · github.com

  4. 4WD

    2020 · which.nameserve.rs

  5. 54D

    Hi HN, I've been working on building a pipeline to create a DNS records database lately. The goal is to enable research as well as competitive landscape analysis on the internet. The dataset for now spans around 4 billion records and covers all the common DNS record types: A AAAA ANAME CAA CNAME HINFO HTTPS MX NAPTR NS PTR SOA SRV SSHFP SVCB TLSA TXT Each line in the CSV file represents a single DNS record in the following format: www.example.com,A,93.184.215.14 Let me know if you have any questions or feedback!

    2024 · merklemap.com

  6. 6
    DNSPerf91

    Free DNS performance analytics

    2018

  7. 7FD
  8. 8PD
  9. 9

    Domain Monitoring Made Easy

    2018

  10. 10

    A simple and powerful tool for querying DNS records

    2020

  11. 11

    Advanced domain tracking tool for individuals and agencies

    2021

  12. 12
    domdb96

    Park your domain in less than 15 seconds

    2017

  13. 13QA
  14. 14SD

    Most site blockers work by blacklisting distractions. That never worked for me, the internet is too big, and there’s always something new to waste time on. I wanted the opposite: allowlist‑only browsing. Block everything by default, and explicitly allow only what I need. So I built Sinkzone: a local DNS forwarder with two modes: Monitor mode: lets all traffic through, but logs every domain so you can decide what to allow. Focus mode: only allowlisted domains resolve; everything else is blocked (NXDOMAIN). It’s open source, written in Go, and runs locally on macOS, Linux, and Windows. Works a…

    2025 · github.com

  15. 15

    Check DNS propagation across 50+ global servers

    Nov 2025

  16. 16RD

    2017 · recdnsfp.github.io

  17. 17DM
  18. 18GB

    2014 · dns-api.com

  19. 19

    DNS record monitoring for $1/domain/month

    Jun 2026 · onedollardns.com

  20. 20AD
  21. 21

    Your own privacy protection center

    2022

  22. 22IB

    Hey everyone. It's Sherub here, author of the Build your own DNS Server challenge on CodeCrafters. Currently it’s available in Rust, Go, and Python and is free while in beta. https://codecrafters.io/dns-server I've kept the challenge accessible but still challenging for an intermediate developer. This challenge, like others from CodeCrafters, is self-paced. You can use any tools you prefer (terminal, editor, etc.) to build the project. At the end of the challenge, you will have created a DNS forwarding server. The server can create and read DNS packets and respond to DNS…

    2023 · app.codecrafters.io

  23. 23

    Free website monitoring & status pages — set up via DNS

    Jan 2026

  24. 24

    Domain infrastructure monitoring across all registrars

    Mar 2026 · kit.domains

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