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Alternatives

Products that do what Internet.nl – test tool for modern internet standards does

For the past months we've been working on making our open source tool Internet.nl easier to deploy and develop on. Last week we release version 1.8.0 (https://en.internet.nl/article/release-1.8/) which includes these changes. Tests include: IPv6, DNSSEC, HTTPS/TLS, various security options like XSS, CSP headers, security.txt, RPKI, DMARC, DKIM, SPF, STARTTLS, DANE for web/email, and a browser connection test for IPv6 and DNSSEC. (see: https://en.internet.nl/faqs/) Using Docker & Docker Compose it is now trivial to deploy your own…

  1. 1IM

    Yes, it's open source: https://github.com/lissy93/web-check :) Why I'm building this? There are a lot of tools out there for discovering meta and security data relating to a website, IP or server. But currently, there isn't anything that does everything, all in one place and without a paywall/ user sign up. It's still a WIP, and I'm working on a new version, with some more comprehensive checks, so any feedback would be much appreciated :)

    2024 · v1.web-check.xyz

  2. 2IB

    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

  3. 3
    Pinggy282

    Public URLs for localhost without downloading any binary

    2024

  4. 4AU

    Howdy HN! I find myself testing my ping from time to time, especially when my internet seems wonky while WFH. It feels like there should be an easier way test my ping than puling up a terminal or a complex web app - especially when I'm on my phone or any other device that doesn't have a terminal. I figured I should be the change I wish to see in the world and created this super light ping test. I also created a latency monitoring solution (https://github.com/cjjeakle/network-monitor), feel free to clone and try it out! I know there are a lot more mature monitoring…

    2022 · ping.projects.chrisjeakle.com

  5. 5QA
  6. 6IS

    2023 · internetspeed.my

  7. 7
    AbTest.io122

    A free url shortener with A/B testing features

    2017

  8. 8
    Direktor119

    A/B testing as easy as short URLs

    2019

  9. 9LD

    Hi HN! I'm Jarek, and I've built this tool that allows publishing .local domains on the local network using mDNS. It also has a reverse proxy that handles HTTPS termination and port forwarding. I'm working on adding more features, like an index page with all available domains or allowing proxy redirects, so you could redirect from HTTP to HTTPS. Let me know if you have any questions or feedback!

    2023 · localcan.com

  10. 10DB

    I built a CLI to benchmark DNS resolvers after discovering DNS was adding 300ms to my API requests. v0.3.0 just released with new features: compare: Test single domain across all resolvers top: Rank resolvers by latency/reliability/balanced monitor: Continuous tracking with threshold alerts 1,400+ downloads in first week. Quick start: pip install dns-benchmark-tool dns-benchmark compare --domain google.com CLI stays free forever. Hosted version (multi-region, historical tracking, alerts) coming Q1 2026. GitHub: https://github.com/frankovo/dns-benchmark-tool…

    Nov 2025 · github.com

  11. 11

    Global CDN, zero config TLS, free custom domains

    2023

  12. 12WI

    A few weeks ago, an Internet-Draft titled Internet Protocol Version 8 (IPv8) caught our eye.

    23d ago · goonhost.rocks

  13. 13AS

    This is a proof of concept utility which allows you to expose local services to the internet at large: https://github.com/skx/tunneller In short it is a simple ngrok alternative, which you can self-host. Because it is a proof of concept it hasn't been tested extensively, but it seems like it will solve my immediate-needs. Of course it needs test, and structure added. But feedback can't hurt :)

    2019

  14. 14

    All-in-one DNS, IP and email diagnostic & monitoring toolkit

    Mar 2026

  15. 15
    DNSFly3

    Free DNS, SSL & Domain Toolkit

    Feb 2026

  16. 16

    Free DNS, IP & WebRTC leak test for your browser

    Feb 2026

  17. 17AS

    Hi! I am sharing this because it may be useful to others. I created a simple Docker image that lets you easily expose a web app running locally on your dev machine to the Internet, via a proxy server. It is a self hosted alternative to something like Ngrok, which is a paid service if you use custom domains. A small server is cheaper than Ngrok (I use Hetzner Cloud and the cheapest server costs me 3€ per month). I use this method in particular to test HTTP verification with Let's Encrypt for a SaaS app running on my Mac. Hope this is useful :) Code:…

    2019

  18. 18

    9 free tools to keep your email out of spam

    9d ago · truelist.io

  19. 19

    Instantly check DNS propagation globally

    May 2026 · saleembaloch.com

  20. 20

    Free DNS, SSL, WHOIS & network tools in your browser

    Jul 2026 · xplorenethub.com

  21. 21

    📎169 free DNS, email, TLS diagnostics in one place + more!

    Jul 2026 · bypassed.me

  22. 22

    9 free email, DNS, security, SEO and AI-search scanners

    Jun 2026 · edos.com.au

  23. 23

    41 free tools for website owners

    Jun 2026 · tools.hostdroplet.com

  24. 24

    Bulk DNS, global propagation & email auth in one click

    Jun 2026

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