atx/registry

404.directory

https://404.directory/mcp

57
trust
0.55
confidence
medium
risk
trust-2026-08-12.2
observed 4h ago

Why this score

tls_present_and_valid+4
mcp_capabilities_discoverable+4
headers.missing_hsts-3
reachable+2

Findings (1)

lowNo Strict-Transport-Security header
headers.missing_hsts @ 1.0.0

Evidence (8)

TypeObservedSHA-256
dns_resolution_observation4h ago88053e58db7aa738…
http_response_observation4h agoa94e8c4eb444c70f…
availability_observation4h agob63dd46b73092b86…
hosting_provider_observation4h ago958411567b2d9bdc…
tls_certificate_observation4h ago30ea77682b4f22a6…
oauth_metadata_observation4h ago84690b28966c3e3c…
mcp_protocol_observation4h ago16ca4765a2424525…
mcp_capability_observation4h agoed4e25a4f09c1575…

Every record is append-only and content-hashed. Corrections supersede; nothing is overwritten.

Operate this service?

Prove control of 404.directory to correct the record and request a rescan after fixing a finding. One DNS record — no account needed.

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