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How-To Guides for Domains, Networks and Websites

Hands-on guides with the exact steps: WHOIS lookups, MAC addresses, tracert, IPv4 vs IPv6, choosing and registering a domain, email DNS records and building a website.

Latest in Guides

  1. 01.si Domain Price: Cheapest Registrars Compared (Oct 2026)Guides9 min read
  2. 02.si vs .ai Domain: Price, SEO & Which to Choose (2026)Guides10 min read
  3. 03IPv4 vs IPv6: Key Differences, Speed Test & Which to UseGuides11 min read

All 22 guides

Step-by-step guides and comparisons, each ending in the tool that proves the result.

Spamhaus Blacklist Removal: Check & Delist an IP or DomainCheck if Spamhaus lists your IP or domain, what SBL, XBL, CSS, PBL and DBL listings mean, how to get delisted for free, and why 1.1.1.1 can't check it.GuidesOct 2612 minIP Blacklist CheckWHOIS Lookup Guide: Find Who Owns a Domain & Read the RecordHow to do a WHOIS lookup: run it online or from the command line, read every field and status code, get past REDACTED FOR PRIVACY, and why RDAP replaced WHOIS.GuidesUpdated Oct 2716 minWHOIS LookupTracert Command: How to Traceroute on Windows, Mac & LinuxHow to use tracert on Windows and traceroute on Mac and Linux: the syntax, the options that matter, example output, and how to read timeouts and latency jumps.GuidesUpdated Oct 2712 minTraceroute
.si Domain Price: Cheapest Registrars Compared (Oct 2026)Updated Oct 279 min.si vs .ai Domain: Price, SEO & Which to Choose (2026)Updated Oct 2710 minIPv4 vs IPv6: Key Differences, Speed Test & Which to UseUpdated Oct 2711 minHow to Generate a QR Code (Free): Types, Sizes and LogosUpdated Oct 2715 minWhat Is a MAC Address? How to Find It on Any DeviceUpdated Oct 2712 min.si Domain: Country, Rules, Price & Why It's TrendingUpdated Oct 2611 minBest Vibe Coding Tools in 2026: 10 AI App Builders ComparedSep 3016 minBest Website Builder in 2026: 10 Builders Compared by JobSep 3013 minCan AI Make My Portfolio? Yes: How to Build One in an Hour (With Prompts)Sep 3011 minContent Calendar Template: Free Layout, Columns and a 30-Day ExampleSep 3011 minFleet Management Dashboard: 12 KPIs to Track and How to Build OneSep 3013 minFree Portfolio Website Templates: 15 Genuinely Free Options (2026)Sep 3012 minHow to Create a Social Media App in 2026: Features, Stack, Cost and LaunchSep 3013 minHow to Start a Medical Transport Business (NEMT) in 2026Sep 3015 minResume Website Template: Free HTML Layout and How to Publish ItSep 3010 minVibe Coding Apps: Beginner's Guide and 8 Apps You Can Build This WeekendSep 3013 minTitan Email: Plans, Prices & DNS Setup (MX, SPF, DKIM)Sep 2610 minBest OpenClaw Hosting in 2026: 7 VPS Options ComparedAug 1810 minHow to Install OpenClaw on a VPS (Docker & npm Guide)Aug 1811 min

Every guide ends in a tool

Check it yourself

Each guide links the free tool we built for the same problem, so you can run the check it describes on your own domain or connection. These are the tools these guides use most.

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Other topics

The rest of the blog, by what you are trying to do.

About the author

Shaik Vahid Founder of DNS Robot

Vahid spent years in web hosting support fixing domains, DNS records, SSL certificates and email delivery for customers. He builds DNS Robot's tools and writes these guides from the errors people actually hit.