WHOIS

io.github.KincaidYang/whoisVersion 1.6.0

Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.

Status

Responds2497 msNov 14, 2026, 14:39 UTCAnswered our handshake without sign-in.

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Data from the official MCP Registry, checked by run.zero. How we check

Streamable HTTP

https://whois.ddnsip.cn/mcpResponds2497 msNov 14, 2026, 14:39 UTC

No sign-in

claude mcp add --transport http whois https://whois.ddnsip.cn/mcp

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Settings > Connectors > Add custom connector
Name: whois
Remote MCP server URL: https://whois.ddnsip.cn/mcp

{
  "mcpServers": {
    "whois": {
      "url": "https://whois.ddnsip.cn/mcp"
    }
  }
}

code --add-mcp '{"name":"whois","type":"http","url":"https://whois.ddnsip.cn/mcp"}'

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2 tools

Tools of WHOIS
	Description		Read-only	Idempotent	Open world
`whois_batch_lookup`Query WHOIS/RDAP information for multiple domain names, IP addresses/CIDR prefixes, or ASNs in one call. Results are returned per query with individual statuses. Disabled unless the operator enables batch queries.	Query WHOIS/RDAP information for multiple domain names, IP addresses/CIDR prefixes, or ASNs in one call. Results are returned per query with individual statuses. Disabled unless the operator enables batch queries.	Not declared	Yes	No	Not declared
`whois_lookup`Query WHOIS/RDAP information for a domain name, IP address or CIDR prefix (v4 or v6), or ASN	Query WHOIS/RDAP information for a domain name, IP address or CIDR prefix (v4 or v6), or ASN	Not declared	Yes	No	Not declared