# Domduck

**Canonical:** https://apis.io/providers/domduck-com/  
**Website:** https://domduck.com/  
**APIs profiled:** 2

Domduck provides domain reputation tracking with historical data, offering free unlimited domain monitoring, daily Ahrefs Domain Rating, Tranco popularity rank, registration details, TLS status, and AI crawler policies. Users can access a model‑context protocol server and embed rating badges, all via a web‑based dashboard without requiring authentication.

## Kin Score — 28.9 / 100 (thin)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 44.6 |
| Contract Quality | 24.8 |
| Contract Governance | 22.0 |
| Operational Transparency | 42.1 |
| Developer Ergonomics | 9.5 |
| Access Clarity | 34.2 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 24.5 (matched via fallback).

## Agent readiness — 19.7 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | partial |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | distinct |
| MCP Tool Quality | na |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (2)

- **Domduck API** — Public HTTP API providing domain reputation lookup and badge generation without authentication.
- **Domduck API** — Domduck API as documented publicly: 5 operations. Contract generated from the documentation by API Evangelist (2026-11-05); not the provider's own document.

## Security (2)

- **Domduck Com Domain Security** — TLSv1.3 · HSTS · DMARC
- **Domduck Com Vulnerability Disclosure** — security.txt · contact published

## Tags

Domain Reputation, Monitoring, Free Tier, Dashboards

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/domduck-com/). Scores are computed from the provider's own public artifacts under a published rubric.