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Guides

Networking Guides

11 articles · IP, DNS, security & troubleshooting

// Getting Started

Basics · 5 min

What is an IP Address?

IPv4 vs IPv6, public vs private, static vs dynamic.

Tutorial · 8 min

How to Read IP Lookup Results

Step-by-step guide to every field in an IP lookup report.

IPv6 Lookup Guide

How to look up IPv6 addresses and interpret the results.

// DNS & Domains

How Does DNS Work?

Resolution steps, record types, TTL, and DNS privacy.

How to Verify SPF & DMARC

Check and fix email authentication records for any domain.

Security · 9 min

Domain Security Checklist

DNS, SSL, and email security audit in one checklist.

// Network Intelligence

Routing · 5 min

What is an ASN?

Autonomous Systems, BGP, RIRs, and famous ASNs.

Geolocation · 5 min

IP Geolocation Explained

How databases work, accuracy levels, and VPN effects.

Troubleshooting · 7 min

Why Geolocation Shows the Wrong City

VPNs, mobile networks, CDN, and corporate proxies explained.

Registration · 5 min

Domain/IP registration lookup, RDAP, and GDPR changes.

Security · 7 min

How to Find an Abuse Contact

Locate the right email to report malicious IP activity.

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