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Mozilla Observatory alternative for hosts you own

Observatory-style checks (including the MDN HTTP Observatory lineage) are good at teaching and grading web security configuration, especially headers and related policies.

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Authorized hosts only. Not a pentest. Not a compliance certificate. No root password.

What Observatory-style tools do well

Clear teaching and grading for HTTP / web configuration — especially headers and related policies. Keep them when that slice is the job.

The gap — host surface + ranked fix order

Many solo operators need the next question in the same sitting: what else is loud on this public IP — ports, TLS, obvious admin exposure — and what should I fix first? Header-only graders generally will not answer that. HostCloak overlaps on headers, then covers the wider public host surface with a severity-ranked fix order. No enterprise DAST pitch. No “talk to sales.” Scan a host you own.

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What HostCloak does

HostCloak is built for solo operators and VPS owners:

Name a DNS host or public IP you own. No root password. Free: $0 · 1 host · 1 successful scan/day.

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Light compare

NeedObservatory-style toolsHostCloak
HTTP headers / web config teachingStrong fitHeaders included as part of Surface Guard
Public open ports + admin exposureUsually out of scopeIn scope (presence only)
Ranked harden order for a VPSDIYBuilt into the report
Live host gaugesNoLive Deck on Pro
Compliance letterNoNo (we say so up front)

What’s not included

FAQ

Is HostCloak an API clone of Observatory?

No. It is a product for authorized hosts: Surface Guard reports, optional Live Deck, Free/Pro/Agency. Door: /scan.

Root password?

Never requested or stored.

Pro / Agency?

Pro $19/mo. Agency $49/mo. Free stays limited.

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Next step: name a DNS name or public IP you own at /scan. Quiet what's loud on a host you own.

Defensive posture only — presence, hygiene, and fix order. Not a pentest. Not a compliance certificate. HostCloak never asks for a root password. Scan only hosts you own or have written authorization to assess.

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