domain-lookup
Domain Lookup Tool - WHOIS & DNS Checker
Get comprehensive domain intelligence instantly. Check WHOIS registration data, DNS records, security headers, email configuration (SPF/DMARC), IP geolocation, and domain expiry. Free, fast, and private.
Domain Intelligence
Analyze security headers, DNS records, email configuration, and get actionable recommendations.
What You Get
WHOIS Data
- Domain registrar information
- Registration & expiry dates
- Domain age calculation
- DNSSEC status verification
- Nameserver details
DNS Records
- A / AAAA records (IP addresses)
- MX records (mail servers)
- TXT records (SPF, verification)
- NS records (nameservers)
- CNAME / SOA / CAA records
Security Analysis
- HTTP security headers check
- HSTS, CSP, X-Frame-Options
- SPF & DMARC email security
- Server response time
- IP geolocation data
How to Use This Tool
1
Enter Domain
Type or paste any domain name (e.g., google.com, example.org)
2
Analyze
Click Analyze to fetch WHOIS, DNS, and security data in real-time
3
Explore Results
Navigate tabs to view detailed information and export as JSON
Frequently Asked Questions
A domain lookup tool retrieves comprehensive information about any domain name, including WHOIS registration data (owner, registrar, creation/expiry dates), DNS records (A, MX, TXT, NS, etc.), security headers, and email authentication settings like SPF and DMARC.