MCP server for DNS security analysis. DNSSEC validation, email auth (SPF/DKIM/DMARC/DANE/BIMI), and RDAP. Runs as a Docker container in stdio mode with Claude Desktop.
Latest release v1.3.4 — v1.3.4 — NIST SP 800-81r3 audit prompt · 29 Mar 2026
1 file for Claude Code: dns-mcp CLAUDE.md — 3,034 tokens loaded in every session.
CLAUDE.md B 3,034 tok These files are mclose/dns-mcp's own configuration — they tell Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.