DNS Tools
25 professional DNS lookup, analysis, and diagnostic tools for network administrators.
DNS Lookup
Resolve A, AAAA, MX, TXT, and NS records
MX Lookup
Find mail exchange servers for a domain
TXT Record Lookup
Query TXT records including SPF and DKIM
A Record Lookup
Resolve IPv4 addresses for a hostname
AAAA Record Lookup
Resolve IPv6 addresses for a hostname
CNAME Lookup
Find canonical name aliases for a host
NS Lookup
List authoritative nameservers for a domain
SOA Record Lookup
View start of authority record details
PTR Reverse DNS Lookup
Resolve IP address to hostname (reverse DNS)
DNS Propagation Checker
Compare DNS answers across global resolvers
DNSSEC Checker
Check DNSKEY, DS, and RRSIG records
DNS Zone Analyzer
Analyze all major record types for a zone
DNS Health Checker
Score DNS configuration health and best practices
DNS Speed Test
Measure DNS response time from public resolvers
DNS Resolver Test
Test a custom DNS resolver server
DNS Record Diff Checker
Compare DNS records between two hostnames
DNS TTL Checker
Check TTL values from authoritative nameservers
DNS Wildcard Checker
Detect wildcard DNS records on a domain
DNS Glue Record Checker
Verify glue A/AAAA records for in-zone nameservers
DNS Delegation Checker
Trace NS delegation chain for a domain
DNS Cache Flush Guide Generator
Generate OS-specific DNS cache flush commands
DNS Record Generator
Generate BIND-style DNS zone record entries
DNS Bulk Lookup
Look up multiple hostnames in one batch
DNS Misconfiguration Scanner
Scan for common DNS misconfiguration issues
DNS Report Generator
Generate a comprehensive DNS analysis report