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DNS and WHOIS query MCP server

@patrickdappollonio

代码仓库

基本信息

分类

其他

许可证

MIT

传输方式

stdio

作者

patrickdappollonio

提交者

Patrick D'appollonio

关于 DNS and WHOIS query MCP server

Perform DNS lookups, WHOIS queries, connectivity testing, TLS certificate analysis, HTTP endpoint monitoring, and hostname resolution, all from your trusty AI.

DNS and WHOIS query MCP server 配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "dns": {
      "command": "mcp-domaintools",
      "args": [],
      "env": {}
    }
  }
}

DNS and WHOIS query MCP server 工具

工具列表暂未提供

当前收录暂时没有可展示的工具列表，不代表服务没有工具。请查阅项目文档了解支持的能力。

工具是从 README 中自动提取的。维护者可以在 ## Tools 标题下列出工具,即可填充这部分内容。

概览

What is DNS and WHOIS query MCP server?

mcp-netutils is a Model Context Protocol (MCP) server that provides network and domain analysis capabilities for AI assistants. It enables AI models to perform DNS lookups, WHOIS queries, connectivity testing, TLS certificate analysis, HTTP endpoint monitoring, and hostname resolution. It uses local OS‑configured DNS servers for local queries and Cloudflare/Google DNS‑over‑HTTPS for remote queries, with optional custom DNS and WHOIS servers.

How to use DNS and WHOIS query MCP server?

Install via Homebrew (brew install patrickdappollonio/tap/mcp-netutils), Docker (ghcr.io/patrickdappollonio/mcp-netutils:latest), or download a pre‑built binary from the GitHub releases page. Configure it in your editor’s MCP settings with the command mcp-netutils (or a Docker run command) and optional flags such as --remote-server-address, --custom-whois-server, or timeouts. The server exposes 7 tools: local_dns_query, remote_dns_query, whois_query, resolve_hostname, ping, http_ping, and tls_certificate_check.

Key features of DNS and WHOIS query MCP server

  • Local DNS queries using OS‑configured DNS servers
  • Remote DNS‑over‑HTTPS queries via Cloudflare and Google
  • WHOIS lookups for domain registration information
  • Hostname resolution to IPv4, IPv6, or both
  • ICMP ping operations with configurable count and timeout
  • HTTP ping with detailed timing (DNS, TLS, TTFB, total)
  • TLS certificate chain analysis with expiry checks

Use cases of DNS and WHOIS query MCP server

  • Debug DNS resolution issues with local or remote resolvers
  • Retrieve domain registration data for security investigations
  • Monitor HTTP endpoint availability and response times
  • Verify TLS certificate validity and expiration dates
  • Test network connectivity and latency to hosts

常见问题

1

What DNS servers are used for local versus remote queries?

Local queries use the system’s configured DNS servers. Remote queries use Cloudflare DNS‑over‑HTTPS with a fallback to Google DNS‑over‑HTTPS.

2

Can I use a custom DNS‑over‑HTTPS or WHOIS server?

Yes. Use the `--remote-server-address` flag for a custom DoH server (must implement RFC 8484) and `--custom-whois-server` for a custom WHOIS server (RFC 3912 or plain text responses).

3

How do I run the server in SSE mode?

Add the `--sse` flag and optionally `--sse-port` (default 3000). The server then listens on HTTP and communicates via Server‑Sent Events.

4

What record types are supported for DNS queries?

Supported types: A, AAAA, CNAME, MX, NS, PTR, SOA, SRV, and TXT.

5

Is Docker required to use this server?

No. You can install and run the binary directly via Homebrew or GitHub releases. Docker is an alternative deployment method.

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