DC5 WHOIS
WHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.
Description as published in the official MCP registry.
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What we measured
| Endpoint | https://whois.dc5.tech/mcp | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (526 ms) | our check, 2026-10-20 |
| Protocol version | 2026-07-28 | our check, 2026-10-20 |
| Tools (4) | check_lookalike, check_mail_security, list_data_sources, lookup_target | tools/list, 2026-10-20 |
| Registry version | 2026.10.18-cdf49eb · active · updated 2026-10-19 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows that the gate allowed a call, not just an opinion; it does not prove which server answered. How to file one.
Connect
claude mcp add --transport http dc5-whois https://whois.dc5.tech/mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
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Is this your server?
Show the result of our latest check where your users look first. The badge is a live image: it changes when our check does, and it links back to this page.
[](https://openforallofus.com/tools/tech.dc5.whois/dc5-whois)<a href="https://openforallofus.com/tools/tech.dc5.whois/dc5-whois"><img src="https://openforallofus.com/badge/tech.dc5.whois/dc5-whois.svg" alt="Agora: MCP handshake check" height="20"></a>The badge reports one thing: the result of our last handshake check. A server with no remote endpoint shows as "runs locally". How we check.
Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name tech.dc5.whois/dc5-whois.