Useful Tools

Network Tools

• IPv6 Subnetting & Helper Utilities

  • subnettingpractice.com - Provides tools for IPv6 subnetting, including address conversion and subnet calculation.

• IPv4 Calculator

  • jodies.de/ipcalc - A handy tool for IPv4 address calculations, including subnetting and address range.

• HE.NET BGP Toolkit

  • bgp.he.net - Explore BGP networks and relationships for domains, IPs, and ASNs.

• SSL Certificate Search and History - SSL End-user Validation

  • ctsearch.entrust.com - Search by domain for SSL certificates and their history to verify website security.

• Torrent IP Check - Check Your Torrent Client's WAN IP

  • checkmyip.torrentprivacy.com - Find out the WAN IP address your torrent client is using for downloads and uploads.

• Check IP Address Information

  • ipinfo.io - Gather detailed information about an IP address, including location and ISP.

• Check DNS Records - Dig DNS (Google)

  • Toolbox Googleapps - Use Google's DIG tool to check DNS records of any domain.

• Check DNS Records - Dig Web

  • Dig Web Interface - A comprehensive tool for checking DNS records across multiple servers.

• Check Download Times - Download Time Calculator by Virgin Media

  • Virgin Media Download Time Calculator - Calculate how long it will take to download files based on your internet speed and the file size.

Email Tools

• Email Account Migration Tool by OVH

  • omm.ovh.net/Migration/Create - Simplify email account migration between providers with this OVH tool.

• Email Header Analyzer

  • mha.azurewebsites.net - Analyze email headers to trace the origin of emails and identify issues.

• MXtoolbox - Check MX Records, PTR (rDNS), Blacklists, etc.

  • mxtoolbox.com - A comprehensive suite for checking MX records, blacklists, and other email domain issues.

Linux Tools

• Crontab Guru - The Quick and Simple Editor for Cron Schedule Expressions

  • crontab.guru - Easily generate and explain crontab schedule expressions.

• Explainshell - Write Down a Command-line to See the Help Text

  • explainshell.com - Type in a shell command to see a breakdown of what each part of the command does.

• ShellCheck - A Shell Script Static Analysis Tool

  • shellcheck.net - Identify and fix common errors in shell scripts to improve script reliability.

• OverTheWire: Bandit - Learn Linux Commands Through Gaming

  • OverTheWire: Bandit - Improve your Linux skills through a series of engaging online challenges.

Windows Tools

• SDI (Snappy Driver Installer) - Install Missing Drivers and Update Old Drivers

  • sdi-tool.org - A driver updater tool for Windows, ensuring your hardware runs optimally.

• Ninite - Install or Update Multiple Apps at Once

  • ninite.com - Quickly install or update multiple Windows applications at once.

• Medicat Boot Disk: Complete Windows Diagnostic Toolkit That Runs Off a USB Stick

  • medicatusb.com - A bootable USB toolkit for Windows diagnostics, recovery, and repair.

• Sergei Strelec Boot Disk

  • MajorGeeks (Sergei Strelec) | Official Site - Comprehensive Windows maintenance tools for system recovery and repair.