io.github.venomseven/nslookup

up checked 2026-11-11T16:37:49.111Z

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Publisher-provided description

DNS lookups, health reports, SSL certs, security scans, GEO scoring, uptime checks

Summary by lookupd

Runs DNS lookups, email security and SSL checks, uptime tests, and monitoring queries for domains via a hosted API.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http nslookup https://mcp.nslookup.io/mcp

Claude Code, npm package (stdio)

claude mcp add nslookup -- npx -y @nslookup-io/mcp-server

Codex, remote (streamable-http)

codex mcp add nslookup --url https://mcp.nslookup.io/mcp

Codex, npm package (stdio)

codex mcp add nslookup -- npx -y @nslookup-io/mcp-server

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "nslookup": {
      "url": "https://mcp.nslookup.io/mcp"
    }
  }
}

Cursor, npm package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "nslookup": {
      "command": "npx",
      "args": [
        "-y",
        "@nslookup-io/mcp-server"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (23 tools)

Publisher-provided text

• dns_lookup Look up all common DNS records (A, AAAA, NS, MX, TXT, CNAME, SOA) for a domain. Returns results from a specified DNS server.
• dns_record Look up a specific DNS record type for a domain. Supports 53 record types including A, AAAA, MX, TXT, CNAME, SOA, PTR, CAA, SRV, DNSKEY, DS, TLSA, HTTPS, SPF, a
• dns_propagation Check DNS propagation for a domain across 18+ global DNS servers (Cloudflare, Google, Quad9, OpenDNS, regional servers, and authoritative nameservers). Shows if
• webservers Get the IP addresses (both IPv4 and IPv6) for a domain by looking up A and AAAA records. Also returns the punycode and unicode domain representations.
• ssl_certificate Check the SSL/TLS certificate for a domain. Returns issuer, expiry date, days until expiry, certificate chain validity, cipher strength, SAN domains, fingerprin
• bimi_vmc Check BIMI (Brand Indicators for Message Identification) and VMC (Verified Mark Certificate) for a domain. Returns BIMI DNS record status, VMC certificate detai
• security_scan Run a security scan on a domain to detect DNS misconfigurations, missing SPF/DKIM/DMARC records, cookie security issues, and other web security vulnerabilities.
• uptime_check Perform a one-time HTTP uptime check on a URL from a single location. Returns whether the site is up or down, HTTP status code, and response time in millisecond
• uptime_check_multi Check if a website is up or down from 7 global locations simultaneously: Amsterdam, Sydney, London, Frankfurt, Delhi, Warsaw, and South Carolina. Returns status
• dns_health Run a comprehensive DNS health audit on a domain — 39 checks across 7 categories: DNSSEC (chain of trust, algorithms, validation), MX & email (PTR, MTA-STS, red
• geo_checker Check a domain's GEO (Generative Engine Optimization) score — how well the site is optimized for AI search engines like ChatGPT, Gemini, Claude, and Perplexity.
• rdap_lookup Look up registration data (RDAP — the successor to WHOIS) for an IP address, AS number, or domain name. The query type is detected automatically. Returns the ow
• hosting_report Find out who hosts a website. Returns the hosting provider, IP/ASN/network owner, server location, DNS/nameserver provider, CDN or proxy detection (Cloudflare,
• domain_scanner Scan a domain's email security posture: SPF, DKIM, DMARC, and BIMI configuration. Returns per-indicator scores and detected issues so you can see how well the d
• dns_change_review Review proposed DNS changes BEFORE applying them. Compares a domain's current public DNS with a proposed future state, returns a diff, deterministic rule-based
• bimi_check Check only the BIMI (Brand Indicators for Message Identification) DNS record for a domain — faster than bimi_vmc because it skips the VMC certificate download a
• status_page Read a public status page hosted on nslookup.io status pages. Returns the page name, overall status, per-component status and uptime, and active incidents/maint
• my_overview Get an account health snapshot for your NsLookup.io monitoring: an aggregated 0-100 health score with per-subsystem breakdown (uptime, SSL, DNS, propagation, VM
• my_monitors List all monitors in your NsLookup.io account across every type — uptime, API, DNS, WHOIS, DNS propagation, SSL certificates, and BIMI/VMC — with their configur
• my_incidents List incidents from your NsLookup.io monitoring (downtime, SSL expiry, DNS changes, propagation issues, VMC problems) — open ones by default, or the full recent
• my_uptime_history Get uptime and response-time history for one of your NsLookup.io uptime monitors: availability stats plus hourly buckets over the requested window. Identify the
• my_dns_changes List recent DNS changes detected on your monitored domains, each with its DNS Change Review risk assessment (0-100 risk score, severity counts, added/removed/mo
• my_certificates Get an SSL certificate expiry overview for your monitored domains: per-alert-level counts (ok / warning / critical / expired) and every certificate sorted by so

Details

• Version: 1.6.0
• Transports: streamable-http, stdio
• Uptime (7 days): 100%
• Median latency: 781 ms
• First indexed: 2026-11-01T09:59:11.861Z
• Last seen in registry: 2026-11-01T09:59:12.106Z
• Repository: https://github.com/NsLookup-io/nslookup-mcp

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• API base: https://api.lookupd.com
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