11# Network Query Tool
22Perform WHOIS, DNS, IP, and network diagnostics.
33
4+ Official Network Query Tool — available since 1990 at [ ns1ns2.com] ( https://www.ns1ns2.com ) .
5+
6+ ## ⚙️ System Requirements
7+ To run the ** Network Query Tool (NQT)** , you’ll need the following environment:
8+
9+ ### 🖥️ Server Requirements
10+ - ** Operating System:** Linux (recommended: AlmaLinux, Ubuntu, CentOS). Windows Server or macOS also supported.
11+ - ** Web Server:** Apache or Nginx with PHP enabled.
12+ - ** PHP Version:** 7.4 or newer (PHP 8.x recommended).
13+ - ** Required Extensions:**
14+ - ` cURL ` (for WHOIS/DNS lookups and external queries)
15+ - ` OpenSSL ` (for secure connections)
16+ - ` mbstring ` (for string handling)
17+ - ` json ` (for structured output)
18+ - ** Database:** Optional (MySQL/MariaDB) if you want to log queries.
19+
20+ ### 🌐 Client Requirements
21+ - ** Browser:** Modern browsers (Edge, Chrome, Firefox, Safari).
22+ - ** Internet Access:** Required for DNS, WHOIS, and IP lookups.
23+
24+ ### ⚡ Hardware Requirements
25+ - ** Minimal:** 1 CPU core, 512 MB RAM, 200 MB disk space.
26+ - ** Recommended:** 2+ CPU cores, 2 GB RAM, SSD storage for smoother performance.
27+
28+ ### 🔒 Security Considerations
29+ - Run behind HTTPS (TLS certificate).
30+ - Sandbox or rate‑limit queries to prevent abuse.
31+ - Keep PHP and server packages updated regularly.
32+
433## 🌐 Languages
534* [ English (en-us)] ( Documentation/README-en.md )
635* [ Français (fr)] ( Documentation/README-fr.md )
@@ -11,8 +40,5 @@ Perform WHOIS, DNS, IP, and network diagnostics.
1140* [ 简体中文 (zh-cn)] ( Documentation/README-zh-cn.md )
1241
1342## 📄 Documentation
14-
1543- [ Changelog] ( CHANGELOG.md )
1644- [ License] ( LICENSE )
17-
18- Official Network Query Tool — available since 1990 at [ ns1ns2.com] ( https://www.ns1ns2.com ) .
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