DNS Debugging Tools

Query DNS records for any domain. Supports A, AAAA, MX, NS, TXT, CNAME, SOA, PTR, CAA, and SRV records.

Find the hostname associated with an IP address using PTR record lookups.

Comprehensive IP address analysis including geolocation, ISP info, ASN details, and port scanning.

Analyze SSL/TLS certificates, check validity, expiration dates, and security configuration.

Retrieve domain registration information including registrar, creation date, expiration, and nameservers.

Check DNS records across multiple global DNS servers to verify propagation status.

Trace the DNS resolution path from root servers to authoritative nameservers.

Perform comprehensive health checks on domain DNS configuration and response times.

Check if an email address or domain's mail servers are listed on DNS-based blacklists (DNSBLs).

Discover subdomains using common subdomain wordlist with A and CNAME record resolution.

Ping and traceroute network diagnostics to test connectivity and trace packet routes.

Features

Multiple Record Types: Query A, AAAA, MX, NS, TXT, CNAME, SOA, PTR, CAA, and SRV records
Deep IP Analysis: Geolocation, ISP info, ASN details, port scanning, and network type detection
Global DNS Servers: Test against Google, Cloudflare, OpenDNS, Quad9, and more
Response Time Monitoring: Track DNS query performance and latency
Comprehensive Health Checks: Automated DNS configuration validation
DNS Propagation: Verify changes across multiple global DNS resolvers
WHOIS Integration: Domain registration and ownership information