Subdomain Finder

A, AAAA, MX, CNAME, NS, TXT, SPF, DMARC, DKIM and more. Query all DNS record types and perform detailed analysis.

Ensure your domain security with DNSSEC validation, DNS leak test, zone transfer security, and blacklist checks.

Optimize your performance with DNS response time tests, cache checks, speed comparisons, and propagation monitoring.

Keep your mail server secure with SPF, DMARC, DKIM checks, SMTP testing, email header analysis, and email security checks.

Perform IP lookup, reverse DNS, traceroute, port scanning, MAC lookup, ASN lookup, and network security analysis.

Perform WHOIS queries, domain age calculation, domain history, SSL checks, and comprehensive domain analysis.