DNS Check MCP Server

by kaiv Your server? Claim it

answering

DNS Check is answering right now. Last checked 1 min ago. It exposes 1 tools.

Live DNS lookups for agents: A/MX/TXT/SPF/CNAME/PTR with TTLs and DNSSEC, via Google Public DNS.

Uptime history 11 days of history

11 days agonow

100.0%

Uptime 24h

92 of 92 checks

Tools

read from the server

203 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check DNS Check every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 1 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add dns-check --transport http https://api.kaiv.ai/api/bridge/mcp/dns-check-e159a722

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "dns-check": {
      "url": "https://api.kaiv.ai/api/bridge/mcp/dns-check-e159a722"
    }
  }
}

~/.codex/config.toml

[mcp_servers.dns-check]
url = "https://api.kaiv.ai/api/bridge/mcp/dns-check-e159a722"

.cursor/mcp.json

{
  "mcpServers": {
    "dns-check": {
      "url": "https://api.kaiv.ai/api/bridge/mcp/dns-check-e159a722"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "dns-check": {
      "url": "https://api.kaiv.ai/api/bridge/mcp/dns-check-e159a722"
    }
  }
}

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.

resolve

resolve_dns

Resolve any DNS record live via Google Public DNS. Answers: is DNS propagated? What are the MX/TXT/SPF/DKIM records? Where does this CNAME point? For reverse lookup pass name=<reversed-ip>.in-addr.arpa with type=PTR (e.g. 90.57.149.3.in-addr.arpa for 3.149.57.90). Returns Status (0 = NOERROR, 3 = NXDOMAIN), Answer records with TTLs, and the AD flag for DNSSEC validation.

Endpoints

URL	Transport	State	Latency	Checked
https://api.kaiv.ai/api/bridge/mcp/dns-check-e159a722	streamable-http	answering	172 ms	1 min ago

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DNS Check — questions

Answers built from our own checks of this server.

What can DNS Check do?

It exposes 1 tools, read directly from the server on our last check. Among them: resolve_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 Check working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 203 ms. The bar chart above shows every period we have measured.

How do I connect DNS Check?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does DNS Check need an API key?

No. DNS Check 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.

How fast is DNS Check?

It answers our handshake in 203 ms on average, which is faster than 72% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.