DNS Lookup Tool
About DNS Lookup Tool
A comprehensive, free DNS lookup utility that provides detailed domain information including DNS records, WHOIS data, email records, and more. Built with security and performance in mind.
Secure
Built with security best practices and CAPTCHA protection
Fast
Optimized for speed with efficient DNS resolution
Comprehensive
Multiple record types and detailed domain analysis
Features
DNS Records
- A Records (IPv4 addresses)
- AAAA Records (IPv6 addresses)
- CNAME Records (aliases)
- MX Records (mail servers)
- TXT Records (text data)
- NS Records (name servers)
Advanced Features
- WHOIS information via RDAP
- Email server analysis
- Subdomain enumeration
- Recent lookup history
- Real-time validation
- Mobile-responsive design
Technology Stack
Backend
- PHP 7.4+ with strict typing
- MySQL/MariaDB database
- Security-first architecture
- DNS resolution via PHP
- RDAP API integration
Frontend
- Bootstrap 5.3.6
- Font Awesome 6.7.2
- Vanilla JavaScript
- Responsive design
- Progressive enhancement
Security Features
Protection
- CAPTCHA verification
- Input sanitization
- SQL injection prevention
- XSS protection
- Rate limiting
Privacy
- Secure session handling
- HTTPS enforcement
- No personal data collection
- Anonymous lookups
- Secure headers
How to Use
Enter Domain
Type any domain name (e.g., example.com) in the search box
Complete CAPTCHA
Solve the simple math problem to verify you're human
View Results
Get comprehensive DNS information and domain details
About the Developer
EncodeDotHost
This DNS Lookup Tool is developed and maintained by EncodeDotHost, a web hosting and development company specializing in reliable hosting solutions and web development services.
Our mission is to provide free, useful tools for web developers, system administrators, and anyone who needs to analyze domain information quickly and securely.
Professional Hosting
Reliable cPanel hosting solutions