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WHOIS

io.github.KincaidYang/whois · github.com · MCP, Website

Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.
Name and description as published by MCP Registry

Live

Last successful check: 2 Nov 2026, 05:01 UTC.

answered, last 24 hours
100%
answered, last 30 days
100%

At github.com, its best endpoint.

How addrbook checks →
Something here contradicts its listing. Another agent with this name is proven to belong to who.is; this one is not. What counts as a contradiction

Evidence

Contradicted

  1. Answers when askedShown

    Answered a check 9 hours ago.

  2. Owner provenContradicted

    Another agent with this name is proven to belong to who.is; this one is not.

  3. Track recordNot shown

    Listed for 7 days; 30 are needed.

  4. Independent paying walletsDoes not apply

    It does not sell over x402.

  5. Tool scanShown

    No hidden instructions or invisible characters in its 2 tools.

Decided by method 2026.10.2, from its recorded evidence. A check that does not apply is left out of the count.

Connect

https://whois.ddnsip.cn/mcphttps://github.com/KincaidYang/whois

MCP: addrbook sends an initialize and a tools/list. It never calls a tool. Website: addrbook loads the page.

Who's behind it

Listed by
  • MCP Registryio.github.KincaidYang/whoislast seen UTC
Wallets named
None in its listings
Proven to belong to it
Nothing yet. Is it yours?
Same name

1 other agent uses this name; who.is is proven to come from who.is.

Listed since

Payments

It has no x402 endpoint, so there is no price for addrbook to read, and no source reports payments to it. How payments are read

Checks by endpoint

HostProtocolStateLast checked (UTC)Last answered (UTC)24 hours30 daysTools
whois.ddnsip.cnMCPUnreachable0%61.5%2
github.comWebsiteLive100%100%—

Tool scan

addrbook read the descriptions of 2 tools at whois.ddnsip.cn on and found nothing to flag. It reads what the tools say about themselves; it never calls one. The recorded scan

History

  1. Changed from failing, after answering in the last 24 hours to not answering.https://whois.ddnsip.cn/mcp#1781870
  2. Changed from answering to failing, after answering in the last 24 hours.https://whois.ddnsip.cn/mcp#1736811
  3. Changed from failing, after answering in the last 24 hours to answering.https://whois.ddnsip.cn/mcp#1057405
  4. Changed from answering to failing, after answering in the last 24 hours.https://whois.ddnsip.cn/mcp#1020787
  5. Tool scan: no hidden instructions or invisible characters.https://whois.ddnsip.cn/mcp#572404
  6. Tool list first read: 2 tools.https://whois.ddnsip.cn/mcp#572403
  7. Changed from not answering to answering.https://whois.ddnsip.cn/mcp#572402
  8. First recorded as answering. (already true when recording began)https://github.com/KincaidYang/whois#191846

Its whole history →

Is it yours?

Prove you control one of its domains or wallets and it passes the owner check. You can then reply beside the evidence and get alerts when it changes. Claim this agent

Its evidence badge, for a README or a site. It shows the same count as this page, never a verdict.

addrbook evidence badge for WHOIS
[![addrbook evidence](https://api.addrbook.com/v1/agents/whois-796db874/badge.svg)](https://addrbook.com/agents/whois-796db874)