MCP server

DC5 WHOIS Official

tech.dc5.whois/dc5-whois

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

WHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.

Website

At a glance

Type

MCP server

Publisher

dc5.tech (verified by the MCP Registry)

Status

Working at last check

Tools

4

Token cost

About 1,302 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http dc5-whois https://whois.dc5.tech/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.dc5-whois]
url = "https://whois.dc5.tech/mcp"

Gemini CLI

{"mcpServers":{"dc5-whois":{"httpUrl":"https://whois.dc5.tech/mcp"}}}

Cursor

{"mcpServers":{"dc5-whois":{"url":"https://whois.dc5.tech/mcp"}}}

VS Code

{"servers":{"dc5-whois":{"type":"http","url":"https://whois.dc5.tech/mcp"}}}

Antigravity

agy mcp add dc5-whois https://whois.dc5.tech/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"dc5-whois","server_url":"https://whois.dc5.tech/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"dc5-whois","server_url":"https://whois.dc5.tech/mcp"}

Tools

• check_lookalike ~271 tokens
  Check whether one domain or Web3 name is a visual look-alike (homograph): letters from different scripts mixed in one label, or every non-ASCII letter having a Latin twin, so раураl.com reads as paypal.com. Returns the scripts used and the Latin name it imitates. Use it to screen candidate or incom
• check_mail_security ~308 tokens
  Grade one domain's email authentication and list every check: SPF (single record, the 10 DNS-lookup limit across includes, the all qualifier), DMARC (policy, inheritance from the organizational domain, pct, report addresses), MTA-STS, TLS-RPT, BIMI, DANE and null MX. The level is strong, fair, weak,
• list_data_sources ~183 tokens
  List the local datasets and feeds behind lookup_target (RIR delegations, IANA, Public Suffix List, cloud / CDN ranges, Tor and Private Relay, reputation lists, GeoLite2) with state, record count, generation date and a stale flag. Use it to judge how current a reputation, RIR, cloud or geolocation a
• lookup_target ~540 tokens
  Look up one domain, IP address, CIDR block, ASN (AS15169) or Web3 name (ENS .eth, Unstoppable, SPACE ID .bnb, Handshake hns:) and get a compact fact sheet. Domains: registrar, dates, status, nameservers, DNS records, overall mail-security grade, third-party services seen in DNS, possibly dangling re

Browse

• PayPal tools
• Domains and DNS
• Email
• Payments
• Hiring and jobs

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