Catalog

All tools

Fast, private network tools: IP geolocation, DNS checks, WHOIS, DNS propagation, traceroute, security analysis and more. No ads, no signup.

Network

Low-level network queries and diagnostics.

Instant geolocation, ISP, ASN, abuse history and reputation for any IPv4 or IPv6 address.

Domain ownership, registrar, nameservers and key dates.

Latency and throughput test against a globally-distributed edge.

Ping & Traceroute

Multi-location ping and traceroute from 15 global vantage points.

DNS & Mail

DNS records, mail server posture, deliverability.

Query A, AAAA, MX, TXT, NS, SOA, CNAME, CAA and SRV records from authoritative resolvers.

Domain mail posture: MX, SPF, DKIM selector probe, DMARC.

Security

Threat intel, vulnerabilities, reputation.

Subdomain Finder

Enumerate subdomains via Certificate Transparency and OTX.

Search vulnerabilities by CVE ID, product, or keyword.

Utilities

Calculators, references, password tools.

Subnet Calculator

IPv4 + IPv6 CIDR math: range, mask, usable hosts, wildcard.

Password Strength

Password entropy, breach status, strength audit.

Ports Reference

Searchable reference of common TCP/UDP ports and services.

REST API reference for every tool. Free for non-commercial use.

Browser

Safe URL preview and interactive browsing.

Preview a URL in a sandboxed browser with threat screening.

Interactive Browser

Drive a remote browser: click, type, screenshot, end.