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Email Tools

MX Lookup

MX Lookup

Mail exchangers with priority, resolved addresses and SMTP reachability.

Live query

Domain

Probe SMTP banners

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Related email tools

SPF Checker
DKIM Lookup
DMARC Checker

NETMATRIXSee Beyond The Network

Enterprise network intelligence and engineering toolkit. Free to use, with every query run against live infrastructure from our probe network.

DNS Tools

DNS Lookup
NSLookup
Dig
DNS Propagation
WHOIS

IP Tools

What Is My IP
IP Lookup
Subnet Calculator
BGP Lookup
ASN Lookup

Email Tools

MX Lookup
SPF Checker
DKIM Lookup
DMARC Checker

SSL Tools

SSL Certificate Checker
TLS Tester
Certificate Chain

Routing Tools

Ping
Traceroute
PathPing
Import Trace

Security Tools

Port Scanner
Security Headers
DNS Security
Reputation Lookup

Platform

Workspace
Utilities
Privacy
Service status

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Use only against infrastructure you own or are authorised to test.