com.ferntool/ip

up checked 2026-11-11T03:39:14.870Z

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Publisher-provided title

FernTool Network Tools

Publisher-provided description

24 free tools: IP/VPN lookup, WHOIS, DNS, SPF/DMARC, site up/down, redirects, time zones. No key.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http ip https://www.ferntool.com/mcp

Codex, remote (streamable-http)

codex mcp add ip --url https://www.ferntool.com/mcp

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

{
  "mcpServers": {
    "ip": {
      "url": "https://www.ferntool.com/mcp"
    }
  }
}

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

Tools (25 tools)

Publisher-provided text

• get_my_ip Return the public IP address (and ISP, ASN, location, timezone) of the caller as seen by FernTool. Note: for remote agents this is the IP of the machine calling
• lookup_ip Validate an IPv4/IPv6 address and return its version, scope (public/private/loopback/...), country, ASN and network owner (DB-IP Lite + IPtoASN data).
• validate_ip Check whether a string is a valid IPv4 or IPv6 address and classify it.
• batch_lookup_ip Look up 1-100 IPv4/IPv6 addresses at once. Each result has version, scope, country, timezone, ASN, network owner and flags (is_tor, is_datacenter, provider).
• whois_lookup WHOIS via RDAP for a domain (registrar, created/expiry dates, status, nameservers, DNSSEC), an IP address (network name, range, owner org, country, abuse contac
• dns_lookup Resolve DNS records for a domain via Cloudflare 1.1.1.1 DNS-over-HTTPS. Types: A, AAAA, MX, TXT, NS, CNAME, SOA (default: all).
• reverse_dns Reverse DNS (PTR) lookup for an IPv4/IPv6 address, with forward-confirmation check.
• subnet_calc IPv4/IPv6 CIDR subnet calculator: network, netmask, wildcard, broadcast, first/last usable host, total and usable addresses, block type. Optional split lists th
• estimate_ai_cost Estimate token count and USD API cost of a text across major AI models (OpenAI GPT, Anthropic Claude, Google Gemini), and whether it fits each context window. T
• make_qr_code Create a static QR code (never expires) for a URL, Wi-Fi string (WIFI:T:WPA;S:name;P:pass;;), mailto:, tel: or any text up to 2000 characters. Returns an SVG st
• count_words Exactly count words, characters (with and without spaces), sentences and paragraphs in a text, with reading/speaking time and the most repeated words. Use this
• get_current_time Get the exact current date and time (you cannot know it otherwise). Returns Unix seconds and milliseconds, ISO 8601 in UTC and in the requested IANA time zone,
• convert_timestamp Convert a Unix timestamp (seconds, milliseconds, microseconds or nanoseconds, auto-detected) to a readable date, or a date/time string (e.g. 2026-12-25 09:00, r
• date_calc Exact calendar maths. With end: days between two dates (plus weeks, months+days, weekdays Mon-Fri, weekend days). With add_days/add_weeks/add_months/add_years (
• convert_timezone Convert a time between time zones with daylight saving applied (you cannot do this reliably yourself). from/to accept IANA zones (Africa/Johannesburg), common a
• random_number Fair, cryptographically secure random integers (you cannot produce real randomness yourself). min and max are inclusive. unique=true for no repeats (raffles, lo
• pick_random Fairly pick random winners from a list, shuffle a list, or split people into random even teams, using a cryptographically secure generator (you cannot choose fa
• check_dns_propagation Check whether a DNS change has spread: asks the domain's own authoritative name server (when reachable) and 8 big public resolvers (Cloudflare, Google, OpenDNS,
• check_email_security Can someone fake (spoof) email from a domain? Reads SPF (counts the 10 DNS-lookup limit, follows includes), DMARC (policy, pct, reports, inherited from the pare
• check_website_status Is a website down? Resolves its DNS and loads the URL once (10 s timeout) from FernTool's Cloudflare edge, then returns verdict (up/down), reason (ok, blocked_b
• trace_redirects Where does a link really go? Follows a URL (short links like bit.ly, tracking links, QR code links) hop by hop without a browser: every redirect with status cod
• check_website_legit Is this website legit or a scam? Follows the URL (redirects included) and returns plain-language warning signs: domain age from RDAP (scam shops are usually day
• analyze_email_headers Is this email real or fake? Paste the raw headers of an email (Gmail Show original, Outlook View message details). Returns who really sent it (From, Reply-To, R
• generate_spf_record Build one valid SPF TXT record for a domain from the services that send its email (e.g. microsoft365, google, mailchimp, sendgrid, website). Optionally reads th
• ai_service_status Live status of AI services (ChatGPT/OpenAI, Claude, Gemini API, GitHub Copilot, Perplexity, Cohere) read from their official status pages, cached ~60s. level is

Details

• Version: 1.2.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 359 ms
• First indexed: 2026-11-01T08:54:00.520Z
• Last seen in registry: 2026-11-01T08:54:00.680Z
• Website: https://www.ferntool.com/api

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• 62071 servers
• Last crawl: 2026-11-11T16:39:06.253Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp