mclose/dns-mcp repository overview

⁠DNS MCP Server

Real-time DNS security analysis for Claude. DNSSEC chain-of-trust validation, email authentication posture (SPF/DKIM/DMARC/DANE/BIMI), and domain registration intelligence — without leaving your Claude session.

Built by a cybersecurity professional for SOC investigation workflows.

⁠18 tools covering:

• DNSSEC chain-of-trust validation (delv +vtrace equivalent)
• Email auth: SPF, DKIM, DMARC, DANE, BIMI, MTA-STS, SMTP TLSRPT
• DNS queries with DNSSEC flags, NSEC/NSEC3 analysis
• RDAP domain registration with age-based risk assessment
• Reverse DNS, timestamp utilities, WiFi DNS hijacking detection

⁠Quick Start

Add to claude_desktop_config.json:

{"mcpServers": {"dns-mcp": {"command": "docker", "args": ["run", "--rm", "-i", "--dns", "9.9.9.9", "mclose/dns-mcp", "python", "server.py"]}}}

⁠Links

• GitHub: https://github.com/mclose/dns-mcp⁠
• MCP Registry: registry.modelcontextprotocol.io