Toolbox
Free network tools, grouped by purpose. Star favorites or drag to reorder.
IP & GeolocationIdentify IPs, lookup ownership, and pinpoint locations.4 tools
Details about your current IP address and location
Check your public IP address and geolocation details!
Retrieve Autonomous System Number (ASN) and related IP details.
Find the domain name associated with an IP address.
DNSResolve, verify and audit DNS records globally.4 tools
Query DNS records like A, MX, TXT, CNAME, and more.
Check if DNS changes have propagated across global servers.
Get registration and ownership information for a domain or IP.
Check if your domain or IP is listed on email blacklists.
Network DiagnosticsProbe ports, headers, latency and HTTP behaviour.4 tools
Scan and identify open ports on a target host.
Check the HTTP status code of a URL or endpoint.
View HTTP request and response headers for any URL.
Check your download, upload, and ping speed directly from your browser.
SecurityInspect TLS certificates and other security signals.1 tools
Verify SSL certificate validity and expiration details.
UtilitiesQuick math, parsers and conversions.2 tools
Calculate IP ranges from CIDR notation.
Analyze and extract browser and device information from a user-agent string.