Domain Recon Tool
Psst: 🔍 Check Domain Drag this bookmarklet to instantly check domain information for the current website
About Our Domain Recon Tool
This free online tool helps security researchers and analysts retrieve comprehensive DNS information for any domain. Simply enter a domain name or URL to get detailed DNS records, WHOIS data, SSL certificates, and discovered subdomains.
Key Features
- RDAP & WHOIS protocol support
- Complete DNS record analysis (A, AAAA, MX, TXT, NS, SOA)
- WHOIS registration data retrieval
- SSL certificate information
- Subdomain discovery from certificate data
- IP address information
Understanding DNS Records
DNS (Domain Name System) records provide critical information about a domain:
- A Records: Map a domain to IPv4 addresses
- AAAA Records: Map a domain to IPv6 addresses
- MX Records: Specify mail servers for the domain
- TXT Records: Store text information, often used for domain verification
- NS Records: Identify the nameservers for the domain
- SOA Records: Contain administrative information about the DNS zone
Use Cases
Our DNS Lookup tool is valuable for various security and research scenarios:
- Security investigations and threat intelligence
- Domain ownership verification
- Email security configuration analysis
- Infrastructure mapping and reconnaissance
- SSL certificate expiration monitoring
Privacy Notice
This tool only accesses publicly available information. We do store search queries and results for up to 24 hours. Use responsibly and ethically in accordance with applicable laws and regulations.