passive_dns

shallow

net.fmelo/cognita · Verify this server

Historical DNS resolutions for a domain or IP from Mnemonic's keyless Passive DNS: the answers a name resolved to over time (or the names that pointed at an IP), each with a first/last-seen window and observation count. Surfaces old/rotated infrastructure a live lookup can't. Reads the passive-DNS database, never the target. Read-only.

100.0/100

1 trials · measured 1 day ago

passive_dns scores 100.0/100 on Vouch's measured behaviour index, from 1 real invocation trials against net.fmelo/cognita, measured 20 Oct 2026 under methodology v0.2.0. Every measured component scored 100.

Component breakdown

ComponentWeightValue
Reliability35%not applicable
Schema integrity25%100.0
Failure behaviour15%not applicable
Latency15%not applicable
Concurrency10%not applicable

Tool details

Transport
remote
Credential class
self-provisionable
Input schema
not declared
Output schema
not declared
Side-effect classification
unclassified

Score history

DayScoreTierMethodology
2026-10-20100.0shallowv0.2.0

Probe evidence

ProbeOutcomes
schema_integritypass: 1

Raw request/response logs are not archived yet — the outcome counts above are drawn directly from every recorded trial.

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Vouch score: passive_dns
[![Vouch score](https://vouch.tools/api/tools/d8456349-f456-46c0-ae84-873ea2e697ee/badge.svg)](https://vouch.tools/tools/d8456349-f456-46c0-ae84-873ea2e697ee)
passive_dns — Vouch