NetDig — Free DNS & Network Tools

What it does

MXToolbox charges $129/month. DNSChecker rate-limits you. NetDig gives you 25+ DNS, email, and network tools free — no account, no limits. DNS lookup, propagation checker, bulk lookup, email header analyzer, SPF/DKIM/DMARC checker, blacklist checker (30+ lists), SSL checker, WHOIS, port checker, and a DNS Record Builder with copy-ready records for Google Workspace, Microsoft 365, SendGrid, Cloudflare, and 25+ services. No tracking. Just free tools.​​​​​​​​​​​​​​​​

Free online DNS lookup, IP address geolocation, port checker, WHOIS, SSL certificate checker, MX record lookup, SPF/DMARC checker, subnet calculator and more. Fast, accurate, no signup.

DNS lookup, IP geolocation, port checker, WHOIS, SSL certificates, MX records, SPF/DMARC, subnet calculator — all free, no account needed. Every tool is free, instant, and requires no account. Results powered by Google Public DNS and global IP data. DNS lookups run directly against Google Public DNS for maximum accuracy. No caching of stale results, nofrom netdig.tools

• 
  OneDollarDNSJun 2026 · onedollardns.com · ▲4

  DNS record monitoring for $1/domain/month

• 
  NetlookupApr 2026 · netlookup.net · ▲1

  Free DNS Lookup, IP Lookup & Network Diagnostic Tools

• 
  Net-Tools.io2022 · ▲3

  Save time with free network, DNS, security & infosec tools..

• 
  DNS Digger2025 · dnsdigger.xyz · ▲13

  Blazing fast DNS lookup, WHOIS & record check in one tool

• 
  XploreNetHubJul 2026 · xplorenethub.com · ▲3

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

• 
  DNS Lookup & Dig ToolJun 2026 · ▲4

  Bulk DNS, global propagation & email auth in one click

• 
  /dev/null▲483

  a social network for devs

  Dev tools · 3d ago · dev-null.sh

• 
  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

• 
  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 25d ago · github.com

• 
  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 23d ago · openbot.run

• 
  Talanoa▲345

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 20d ago · talanoa.email

• 
  CoreSpeed▲332

  One MCP for everything your agents need: apps, memory, tools

  Dev tools · 28d ago · corespeed.io

• 
  Lightfield▲901

  AI-native CRM that builds itself and does work for you

  AI · Mar 2026 · lightfield.app

• 
  Tobira.ai▲728

  A network where AI agents find deals for their humans

  AI · Mar 2026 · tobira.ai

• 
  Claude Import Memory▲716

  Switch from ChatGPT to Claude with import memory feature

  AI · Mar 2026 · claude.com

• 
  Littlebird▲709

  Littlebird remembers everything across your meetings, messages, docs, and apps, then takes action so you can recall any detail and never lose context.

  AI · Mar 2026 · littlebird.ai

• 
  Viktor.com▲702

  Your AI Coworker that proactively executes tasks

  AI · Mar 2026 · viktor.com

• 
  Jupid▲659

  File your taxes with Claude Code

  Commerce · Mar 2026 · jupid.com