Step 1
Install in your client
Config is the same across clients — only the file and path differ.
CD
Supported in Claude Desktopstdio, sse, http · Node 18+
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json
{
"mcpServers": {
"dns-mcp": {
"args": [
"run",
"--rm",
"-i",
"--dns",
"9.9.9.9",
"dns-mcp",
"python",
"server.py"
],
"command": "docker"
}
}
}Are you the author?
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What Dns MCP Server does
Real-time DNS security analysis for AI assistants via MCP. Gives your assistant the ability to investigate domains the way a practitioner would — DNSSEC chain validation, email authentication posture, and registration intelligence — without leaving your chat session.
Test This Server
Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.
uvx 'pre-commit' 2>&1 | head -1 && echo "✓ Server started successfully"
After testing, let us know if it worked:
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Scored, not listed
Why this score
Five weighted categories — click any category to see the underlying evidence.
Score breakdown
79/100across 5 weighted dimensions
0255075100
30
12
12
15
10
−21
Security
Maintenance
Efficiency
Documentation
Compatibility
Categoriesclick a row to see evidence
Security
OSV.devNo known CVEs.
Checked pre-commit against OSV.dev.
Inventory
Tools (29)
Click any tool to inspect its schema.
~1.6k tokens total
Inventory
Resources (3)
output_guideField-by-field reference: DNSSEC chain status values, DS vs DNSKEY parent/child relationship, FCrDNS fields, DANE status, RBL listed/clean/error semantics, detect_hijacking passed convention
dns-mcp://output-guide
rbl_referenceReturn code tables for all 8 RBLs including Spamhaus quota codes
dns-mcp://rbl-reference
test_zonesLive NSEC/NSEC3 test zones on deflationhollow.net with parameters and risk levels
dns-mcp://test-zones
Inventory
Prompts (4)
email_security_auditDomain email security audit: SPF, DKIM, DMARC, MTA-STS, BIMI — graded A through F with prioritized recommendations
dnssec_chain_auditFull DNSSEC chain-of-trust audit from the IANA root trust anchor down to the target domain
soc_email_forensicsForensic phishing analysis of a raw email (.eml or pasted headers) — returns TRUSTABLE / SUSPICIOUS / PHISHING / FURTHER ANALYSIS REQUIRED
nist_800_81r3_auditDomain security posture audit aligned with NIST SP 800-81r3 — covers delegation integrity, DNSSEC, CAA, email authentication, reputation, and resolver integrity
Community
Reviews
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Frequently Asked Questions
- Is Dns MCP Server safe to use?
- Dns MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
- How do I install Dns MCP Server?
- Dns MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
- What can Dns MCP Server do?
- Dns MCP Server provides 29 tools: dns_query, dns_dig_style, dns_query_dot, dns_dnssec_validate, nsec_info and 24 more. See the full tools list on the server page for descriptions and parameters.
- What AI clients work with Dns MCP Server?
- Dns MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
- Is Dns MCP Server actively maintained?
- Dns MCP Server is actively maintained — last commit was 6 days ago. It has 1 GitHub stars.
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Community
Discussion
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Has anyone used this with Cursor?How do you handle auth?Any alternatives?
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