Type a domain, IP, or URL — pick a tool. Results appear instantly. No signup, no setup.
Domain, IP, or URL — paste it into the smart input. We auto-detect what kind of input it is.
Click a chip — DNS, WHOIS, SSL, headers, ping, blacklist — or hit Enter for the most relevant one.
Result renders inline — no page jumps. Switch record types or methods with one click.
No bloat. No duplicates. Each one solves a specific diagnostic problem.
Find your IP, look up any address, ping, traceroute, scan ports, and calculate subnets.
See your public IP address, location, ISP and ASN.
Geolocation, ISP, ASN and reverse DNS for any IPv4 or IPv6 address.
Test reachability and round-trip latency to a host.
Trace the network path packets take to reach a host.
Check whether a TCP port is open and reachable from the internet.
Calculate network, broadcast, host range and mask from a CIDR.
Look up DNS records, check global propagation, and run WHOIS on any domain.
Inspect SSL certificates, HTTP headers, security headers, and IP/domain blacklists.
Inspect SSL/TLS certificate, chain, expiry and protocol versions.
View HTTP response headers, redirect chain and security header score.
Check if an IP or domain is listed on common email/spam blacklists.
Run DNS records, WHOIS, SSL certificate, security headers, and blacklist checks on any domain — all in parallel. Get a graded summary in seconds.
Yes — every tool here is free. No account, no API key, no rate limits for normal use.
DNS queries run against major public resolvers (Google, Cloudflare, Quad9, OpenDNS, AdGuard and more). IP geolocation uses MaxMind's GeoLite2 database. SSL/TLS, HTTP, ping and traceroute run live from our servers.
We keep aggregate request counts for capacity planning. We don't store your specific lookups against your identity.
Each tool runs through POST /api/run/<tool-slug> and returns JSON. Lightweight and unauthenticated for sensible use.
