check_shadow_domains

Active

declared in 3.29.5

Find alternate TLD variants of a domain (e.g. example.net, example.co) that have weak or missing email authentication and could be used to spoof email. Use when asked about TLD variants with email auth gaps — distinct from check_lookalikes which detects typosquat/homoglyph impersonation domains.

Parameters schema

{
  "type": "object",
  "required": [
    "domain"
  ],
  "properties": {
    "domain": {
      "type": "string",
      "maxLength": 253,
      "minLength": 1,
      "description": "Domain to check (e.g., example.com)"
    },
    "format": {
      "enum": [
        "full",
        "compact"
      ],
      "type": "string",
      "description": "Output verbosity. Auto-detected if omitted."
    },
    "force_refresh": {
      "type": "boolean",
      "description": "Bypass cache and run a fresh check. Useful after DNS changes."
    }
  }
}

What this tool wraps· 0 endpoints

min confidence0.70 0.50

No endpoints wrapped at confidence ≥ 0.50.

Parent server

com.blackveilsecurity/dns

https://github.com/MadaBurns/bv-mcp

2/7 registries

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