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Alternatives

Products that do what ResolverOne | IP Geo data over DNS does

Fast, reliable IP info without apis, just pure dns magic

  1. 1DA
    DN$ – an innovative, ad-supported DNS resolver▲294

    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

  2. 2TF
    Tiny, fast, and free API to geolocate IP addresses▲144

    2019 · github.com

  3. 3IG
    IP Guide – Info on IP addresses, Networks, and ASNs▲363

    Hey all, wanted to share my recent weekend hack project. I wanted to improve upon the existing space for looking up information about IP addresses and ASNs. The backend is written in Rust and pulls BGP data every 8 hours from the RIPE RIS project to build up a routing table and also adds geolocation information. The frontend is using React and Tailwind. Would love any feedback or suggestions on what to improve.

    2023 · ip.guide

  4. 4IB
    I built a DNS resolver from scratch in Rust – no DNS libraries▲115

    I built a DNS resolver that lets me use https://frontend.numa instead of localhost:5173 — auto-generated TLS certs, WebSocket passthrough, path routing. No mkcert, no nginx, no /etc/hosts.

    Apr 2026 · github.com

  5. 5IG
    IP Geolocation and Threat Data API▲79

    2018 · ipdata.co

  6. 6
    Pointpin▲82

    Simple & reliable IP geolocation API.

    2014

  7. 7IA
    IP-Api.io – Geolocation by IP▲36

    2019 · ip-api.io

  8. 8UD
    Use DNS TXT to share information▲143

    dig +short TXT youpay.govorenefekt.com @1.1.1.1 | fold -s You can base64 encode an image, split to TXT records and send over Internet. Useful in certain circumstances. Like when one of the communicating parties is under severe censorship.

    2023

  9. 9QA
    "q", a DNS query tool with support for UDP, TCP, DoT, DoH, DoQ and ODoH▲140

    2022 · github.com

  10. 10
    WorldIP.io▲17

    Owner, ASN, GEO, PTR, BGP & more for every IPv4 address

    Jul 2026 · worldip.io

  11. 11WD
    Which DNS servers are you pointing to?▲283

    2020 · which.nameserve.rs

  12. 12II
    IPLocate.io – a free IP geolocation service▲20

    2017 · iplocate.io

  13. 13IM
    I made IP-to-Geo location data library for developers▲10

    I made this lib called Ip2Geo — it's a super-lightweight, type-safe library that lets you convert any IP into geolocation data. It's 100% free with unlimited uses—no catch. It works online only and runs on both the client and server.

    2025 · ip2geo.framer.website

  14. 14
    IPLocate▲95

    1,500 free IP address lookups per day. One, quick request.

    2018

  15. 15
    NsLookup▲72

    A simple and powerful tool for querying DNS records

    2020

  16. 16II
    Ipinfo.io CLI▲9

    We've just launched an opensource golang `ipinfo` cli that lets you quickly and easily get IP address data from the cli. You can lookup geolocation, isp, carrier & vpn status for a single IP (in much the same way you can by `curl ipinfo.io`) but there's a bunch of additional functionality, including: - bulk lookups of IPs - summarize IPs (so get top ASNs, cities etc from a ton of IPs) - grepip subcommand to grep for IPs (v4, v6 and bogon flags available) - map command to map a bunch of IPs And more! See https://github.com/ipinfo/cli for more details and installation…

    2021

  17. 17CO
    Comparison of IP Geolocation services and databases▲6

    2020 · resolve.rs

  18. 18AS
    A site to look up DNS records▲82

    2017 · dnsrecords.io

  19. 19
    IPintel▲6

    IP lookup and geolocation tool

    2025

  20. 20BI
    Backname.io – every IP address gets its own domain▲46

    I was setting up tests involving DNS resolution recently, where something like 127.0.0.1.service.foo would have been tremendously useful. Back in the day, I'd have used xip.io - but sadly that service died. Well, every excuse is a good one when it comes to writing a DNS server! Backname.io joins nip.io and sslip.io in the wildcard DNS game.

    2023 · backname.io

  21. 21IM
    I Made a Ultra-Low Latency IP Geolocation API in Go▲15

    Hey! I'm a solo developer having fun learning Go. I have a side hustle and wanted to implement currency localization. I could use existing IP databases, but hosting on serverless is slow. So I built my own. I was surprised how fun it can be to use Go, and it's fast. Thankfully, Go's speed makes up for my dodgy code. Anyway, I'd love to get some feedback on my website/API. After a few weeks of testing and losing money on ads, I'm confident it's very reliable. This isn't a promo. It's basicly free (30k lookups/month), so there's no need to pay. Any advice or tips on how to grow and…

    2024 · ipflare.io

  22. 22SH
    Self-hosted free geoip service▲5

    Hi HN, I wanted to share this simple python app that you can host using App engine and get a free geoip service. It's pretty easy to limit it to the free quota and run without costs. You can't query for a specific IP address but it becomes super useful if you can make that request from the user's side (browser, app, etc). It only has access to lat, long, city, country, ip address but I find those to be the most useful data points. Hope this helps.

    2024 · github.com

  23. 23
    IPDrift: Next-Gen Geolocation API▲9

    Fast, accurate IP geolocation API with security signals

    Oct 2025

  24. 24DB
    DNS-based alternative to the web for structured data▲59

    2020 · num.uk

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