The network toolbox,
minus the noise.
Start with a specific question or run the domain overview for a fast, low-cost bundle. Ordinary tools stay available without signup.
Overview
Run a low-cost bundle covering address, nameserver, mail, SPF, and DMARC records.
Open tool ↗SSL / TLS
Inspect certificate trust, subject names, issuer, validity, key type, protocol, and cipher.
Open tool ↗HTTP
Inspect response status, protocol, resolved address, compression, cache, and CDN hints.
Open tool ↗Redirects
Follow a bounded chain with independent validation at every HTTP or HTTPS hop.
Open tool ↗Headers
Review response headers and deterministic checks for common browser security controls.
Open tool ↗MX
Inspect mail exchangers, priorities, and basic routing readiness.
Open tool ↗SPF
Find SPF policies and flag missing, duplicate, or unusually permissive records.
Open tool ↗DMARC
Inspect the published DMARC policy, reporting destinations, and enforcement level.
Open tool ↗DKIM
Look up a selector's public key and inspect its advertised DKIM parameters.
Open tool ↗Email health
Bundle MX, SPF, and DMARC checks into one concise readiness report.
Open tool ↗Ping
Measure round-trip latency and packet loss from several networks.
Open tool ↗Traceroute
Trace the route toward a public host from distributed probes.
Open tool ↗MTR
Combine route discovery with per-hop packet-loss and latency statistics.
Open tool ↗IP / RDAP
Query standards-based registration data for a domain or public IP address.
Open tool ↗