Tools
Quick utilities to help diagnose DNS, email, network, and security issues.
DNS Lookup
Fetch common DNS records (A, AAAA, CNAME, MX, NS, TXT) for a domain.
MX Lookup
Check mail exchange (MX) records for a domain.
NS Lookup
Find authoritative name servers for a domain.
SPF Checker
Validate SPF TXT records for a domain to prevent spoofing.
SMTP Test
Verify if an SMTP host and port are reachable.
What Is My IP
Get your public IP address.
IP Location Lookup
Get approximate location details for an IP address.
Check HTTP Headers
Inspect response headers for any URL.
Port Checker
Test if a TCP port is open on a host.
Password Generator
Generate a secure password with custom settings.