Network Toolkit

**Network Toolkit - Complete Network Diagnostics for Android**

Network Toolkit is a powerful all-in-one network diagnostic tool that helps you analyze, troubleshoot, and monitor network connections on your Android device.

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**🔹 KEY FEATURES**

**📡 PING**

Test network connectivity to any host with support for IPv4, IPv6, and TCP protocols. Get detailed response time statistics and packet loss percentage.

**🔍 DNS LOOKUP**

Resolve domain names to IP addresses. Display both IPv4 and IPv6 addresses with canonical hostname information.

**🔄 REVERSE DNS**

Find hostnames associated with IP addresses using PTR record lookup.

**🗺️ TRACEROUTE**

Trace the network path to any destination with customizable ping count per hop. Show or hide hostname resolution.

**🔒 SSL/TLS SCAN**

Analyze SSL certificates in detail. View certificate subject, issuer, validity period, full certificate chain, and identify weak cipher suites.

**🔌 PORT SCANNER**

Scan open ports on any host with custom port range selection and adjustable timeout settings. Automatic service name detection for common ports (HTTP, HTTPS, SSH, FTP, etc.).

**🌐 NETWORK INFO**

View all network interfaces, IP addresses (IPv4 & IPv6), MAC addresses, WiFi details (SSID, BSSID, signal strength), DNS servers, gateway, routing table, and real-time traffic statistics.

**📝 HTTP HEADERS**

Fetch and analyze HTTP response headers from any web server. Support for multiple methods (GET, HEAD, POST, PUT, DELETE, OPTIONS) with custom User-Agent.

**🌍 GEO LOOKUP**

Find geographical location of any IP address including country, city, region, ISP, organization, coordinates, and timezone.

**📋 WHOIS & RDAP**

Get domain registration information and IP address ownership details including registrar, registration dates, name servers, and contact information.

**⚡ ADDITIONAL TOOLS**

• **Dig** - Advanced DNS queries with multiple record types (A, AAAA, MX, TXT, NS, CNAME, SOA, PTR, ANY)

• **Secure DNS** - DNS over HTTPS (DoH) with multiple providers (Cloudflare, Google, Quad9, OpenDNS)

• **Subnet Scan** - Scan entire subnets for active hosts

• **Wake on LAN** - Send magic packets to wake devices on your network

• **Spam Check** - Check if IP is blacklisted on major DNSBLs (Spamhaus, SpamCop, SORBS, Barracuda, CBL)

• **Path MTU** - Discover optimal MTU size for your connection

• **IDN Converter** - Convert international domain names to ASCII format (müller.com → xn--mller-kva.com)

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**🔧 WHY CHOOSE NETWORK TOOLKIT?**

✅ **Completely Free** - No in-app purchases, no hidden costs

✅ **No Root Required** - Works on all Android devices

✅ **Material Design** - Clean, modern, easy to use interface

✅ **Dark Theme** - Battery saving and eye-friendly

✅ **Regular Updates** - New features added frequently

✅ **Privacy Focused** - No data collection without permission

✅ **Offline Capable** - Most tools work without internet

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**📊 PERMISSIONS EXPLAINED**

• **Internet** - Required for all network tests (Ping, DNS, Traceroute, etc.)

• **Location** - Needed to display WiFi SSID name (optional, can be denied)

• **Phone State** - For cellular network information display (optional)

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**📱 SUPPORTED DEVICES**

Android 5.0 (Lollipop) and above. Works on phones, tablets, and Android TV.

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**💬 SUPPORT & FEEDBACK**

Join our Telegram channel for updates, support, and feature requests:

https://t.me/customtunnel_vpn_client

Email: [email protected]

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**⭐ If you find Network Toolkit useful, please leave a rating! Your support helps us improve.**

*Version 1.1 - Network Toolkit for Android*