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DNS Lookup API MCP Server

by br0ski777 Your server? Claim it
not responding

DNS Lookup API is listed as active in the registry but did not answer our last check. It exposes 1 tools. Last commit 2 Sep 2026.

DNS record lookup — A, AAAA, MX, TXT, CNAME, NS via Cloudflare. x402 micropayment.

Uptime history 91 days of history · worst day 0%
91 days agonow
0.0%
Uptime 24h
0 of 91 checks
1
Tools
read from the server
38 ms
Response time
average over 24h
0
Stars
last commit 2 Sep 2026

DNS Lookup API does not always answer

Over the last week it answered 0.0% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 10 min ago.

run in your terminal
claude mcp add dns-lookup --transport sse https://dns-lookup.api.klymax402.com/mcp
Settings → Connectors → Add custom connector, then paste this address
https://dns-lookup.api.klymax402.com/mcp
~/.codex/config.toml
[mcp_servers.dns-lookup]
url = "https://dns-lookup.api.klymax402.com/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "dns-lookup": {
      "url": "https://dns-lookup.api.klymax402.com/mcp"
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "dns-lookup": {
      "type": "sse",
      "url": "https://dns-lookup.api.klymax402.com/mcp"
    }
  }
}

Available tools 1

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

network
network_lookup_dns
Use this when you need to look up DNS records for a domain. Returns all matching records in JSON via Cloudflare DNS-over-HTTPS. Returns: 1. records array with type, name, data, TTL 2. Supports A, AAAA, MX, TXT, CNAME, NS, SOA, SRV 3. queryTime in ms 4. resolver info (Cloudflare 1.1.1.1). Example output: {"domain":"example.com","type":"A","records":[{"name":"example.com","type":"A","data":"93.184.216.34","ttl":3600}],"queryTime":12,"resolver":"cloudflare"} Use this FOR verifying DNS configuration, checking MX records before email setup, auditing TXT records for SPF/DKIM/DMARC, and debugging domain resolution issues. Do NOT use for SSL certificate check -- use security_check_ssl instead. Do NOT use for WHOIS domain info -- use domain_lookup_intelligence instead. Do NOT use for HTTP header analysis -- use network_analyze_headers instead.

Endpoints

URLTransportStateLatencyChecked
https://dns-lookup.api.klymax402.com/mcp sse answering 38 ms 10 min ago

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DNS Lookup API — questions

Answers built from our own checks of this server.

What can DNS Lookup API do?
It exposes 1 tools, read directly from the server on our last check. Among them: network_lookup_dns. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is DNS Lookup API working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 0 of 91 checks got a reply (0.0%), average response time 38 ms. The bar chart above shows every period we have measured.
The registry lists DNS Lookup API as active — why does it not respond?
The official MCP registry stores what the author submitted; it does not verify that the server still runs. We check the endpoint ourselves, and this one does not answer. Catalogues that copy the registry without checking will show it as working.
How do I connect DNS Lookup API?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does DNS Lookup API need an API key?
No. DNS Lookup API completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 1 of them are readable on this page. This is what we observed, not what the docs claim.
Is DNS Lookup API open source?
The code is open source: it is published under the MIT licence, written in TypeScript and 0 stars on GitHub. The licence covers the code in the repository, not the hosted service at dns-lookup.api.klymax402.com, which runs on its operator's own terms.