Toolbox

Diagnostic tools

Free utilities for diagnosing outages and decoding error messages. Each tool reads from a public source — no signup, no usage limits, no data leaves the browser unless you ask it to.

Website & Domain Checks

Probe a URL, query its DNS, compare resolver answers, and read the domain lifecycle.

Website Down Checker

Is the URL up from our edge? DNS, HTTP, SSL, redirects in one probe.

DNS Lookup

A · AAAA · MX · NS · TXT records for any public domain.

DNS Propagation

Compare the same record across Google, Cloudflare, Quad9, AdGuard.

Domain Status Analyzer

Is the domain expired, parked, in redemption, or alive? RDAP-backed.

SSL Certificate Checker

Expiry date, issuer, TLS version, SANs — instant cert inspection.

HTTP Headers Inspector

See every response header, security policy, and redirect hop for any URL.

AI & App Status

Cross-check AI model degradation and browse the live catalogue of AI APIs and consumer apps.

AI & Agent Status Dashboard

Live status for Claude, ChatGPT, Gemini, Groq, Mistral, Cursor, Zapier — all in one view.

AI Output Validator

Was the AI API degraded when your weird answer arrived? Cross-check Anthropic, OpenAI, Google.

AI APIs · live status

Live verdicts across 12 AI and agent providers in the catalogue.

Network & VPN Diagnostics

Confirm your network is doing what you think it is — and browse ISP-level status.

VPN Connection Checker

Confirm your VPN is masking your real IP, location, and ISP. No data leaves your browser.

ISP & home internet · live status

Reachability + community reports across 17 consumer ISPs.

Status Code Intelligence

Decode any HTTP code or browser error into plain English, with next-step recommendations.

Status Meaning Decoder

Plain-English explanation for any HTTP code or browser error you can paste.

HTTP code reference

Full 1xx → 5xx reference. Each code has its own page with examples and resolution.

Banking & Payments

No standalone tool yet — but the live catalogue covers the major payment processors and consumer banks.

Banks & payments · live status

Live verdicts across 70 payment processors and banks with public status APIs.

Delivery & Tracking

No standalone tool yet — but reachability for delivery / logistics services lives in the catalogue.

Logistics hub

US border waits, DOT advisories, and the major carriers in one view.

Flights · live status

On-time performance and delay rates across major US carriers.

Game Server Checks

Ping a specific server or browse live concurrent-player counts across platforms.

Minecraft Server Checker

Ping a Java or Bedrock server — status, MOTD, players, version.

FiveM Server Checker

Check a FiveM server — players, gametype, map, tags.

Game Servers Hub

Live concurrent-player counts for Steam, Minecraft, Roblox.

Gaming platforms · live status

Live verdicts across 11 platforms, stores, and consoles.

Stack & Monitoring

Build a shareable dashboard of the services your team depends on, and check trademark availability.

Stack Dashboard

A shareable URL for the services your team depends on. Same pipeline as /status/[slug].

Trademark Lookup

Search USPTO, EUIPO, and WIPO trademark registries from one place.

Device & Input Tests

Client-side measurements — no data leaves your browser.

Keyboard Speed Test

Typing WPM, spacebar / CPS bursts, and end-to-end key-response latency in one tool.

Looking for live status, not tools?

The radar surfaces every active incident the catalogue knows about.

Open Shutdown Radar

Last reviewed May 28, 2026