press d for dark mode
Live domain and network diagnostics. Every screen is a lookup made when you asked for it: nothing is precomputed, nothing is stored between requests, and each answer is labelled with how old it is.
- the verdict
- the answer in one sentence
- the blocks
- the evidence for it
- [*] live
- answered just now
- [~] cached
- held under its own ttl, age shown
- degraded
- an upstream failed, the rest still answered
- none
- checked and absent, not skipped
- monitoring and alertsnothing is stored between queries
- registrant lookupredacted at source, and there is an official channel
- reaching private spaceevery destination is validated, on every command
- checked
- in the dialer, after the name resolves and before connect
- covers
- every candidate address, not just the first
- refuses
- private, loopback, link-local, cgnat and reserved space
- ipv4-in-ipv6
- judged by the address inside, not the wrapper
- ports
- an allowlist; PORTS waives it and nothing else
- Cloudflare1.1.1.1
- Google8.8.8.8
- Quad99.9.9.9
- OpenDNS208.67.222.222
- AdGuard94.140.14.14
- Control D76.76.2.0