Free DNS Lookup & Domain Analysis Tools
Look up DNS records, check email security, and inspect domain registration data — all from your browser.
DNS & Domain Tools
MX Lookup
Mail servers & email delivery
NS Lookup
DNS hosting & delegation
A Record Lookup
IPv4 addresses
TXT Record Lookup
SPF, verification & more
SPF Record Checker
Email sender authorization
DMARC Checker
Email authentication policy
WHOIS Lookup
Registration & ownership info
IP Lookup
IPv4 & IPv6 addresses
RDAP Lookup
Full registration data via RDAP
DNS Lookup
Complete DNS record lookup
Email Security Checker
Full email security analysis