INDIVIDUAL MCP TOOL

dossier_cors

Core dossier check: Send a CORS preflight OPTIONS request to https://<domain>/ and return the access-control-* response headers.

domainposture.comnone authenticationAvailability not checked

Input schema

{}

Potential side effects detected · medium confidence · heuristic, not a guarantee.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.domainposture-com]
url = "https://www.domainposture.com/mcp/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "domainposture-com": {
      "type": "http",
      "url": "https://www.domainposture.com/mcp/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: domainposture-com
Remote MCP URL: https://www.domainposture.com/mcp/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "domainposture-com": {
      "url": "https://www.domainposture.com/mcp/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "domainposture-com": {
      "type": "http",
      "url": "https://www.domainposture.com/mcp/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "domainposture-com",
  "transport": "streamable-http",
  "url": "https://www.domainposture.com/mcp/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

ip_lookup — Context lookup: Resolve an IPv4 or IPv6 address to its geolocation, ASN, org name, and city/country.
dns_lookup — Context lookup: Resolve a single DNS record type (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, or SRV) and return the raw answers.
dossier_dns — Core dossier check: Fetch a domain's full DNS profile — A, AAAA, NS, SOA, CAA, and TXT records — all in parallel.
dossier_mx — Core dossier check: Look up a domain's MX (mail exchanger) records and return them sorted ascending by priority.
dossier_spf — Core dossier check: Retrieve and parse a domain's SPF record, decomposing it into mechanisms and qualifiers.
dossier_dmarc — Core dossier check: Retrieve and parse a domain's DMARC policy from its _dmarc.
dossier_dkim — Core dossier check: Probe a domain's DKIM public keys by querying <selector>.
dossier_tls — Core dossier check: Fetch and inspect the TLS certificate presented by a domain on port 443, returning chain details and validity period.