MCP.Market

WhoisLookup MCP server

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by therealMrFunGuy·io.github.therealMrFunGuy/whois-lookup·v1.0.0
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Domain WHOIS, DNS records, SSL certificates, and availability checks.

F22/100grade F
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Safety scan
F22/100

full report

Adoption
New

Little public usage data yet

Blocked at the gateway.Blocked at the gateway. A critical finding or a dead endpoint.

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If you have run it, two minutes of your experience saves the next person an afternoon.

WhoisLookup tools

Tool list not cached yet. `describe` through the gateway fetches it live.

Public scan report

scanner v0.1.10 · 2026-11-04 · same rubric, same numbers if you re-run it

1 high1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote unreachable: HTTP 5020/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityAPI key sent as a header8/15
  • Maintenanceno repository listed3/15
  • Maintainer identityno repository or website to verify2/10

Findings (2)

  • highRemote endpoint did not respondreliability.unreachable

    HTTP 502

  • lowNo source repository listedmaint.no-repo
Overall 22/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How WhoisLookup compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
22/100
higher than 3% of 48,243 servers
Uptime
0%
of our recent checks; the typical remote server answers 100%

Install WhoisLookup in Claude Code, Cursor or VS Code

claude mcp add --transport http whois-lookup https://whois.rjctdlabs.xyz/sse
Add to Cursor

WhoisLookup: common questions

Is WhoisLookup MCP server safe?
No: it is graded F and blocked at the gateway (22/100). Read the WhoisLookup safety report
How do I install WhoisLookup?
It runs remotely at whois.rjctdlabs.xyz. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does WhoisLookup need an API key?
Yes. The registry entry asks for X-API-Key.
Is WhoisLookup maintained?
The latest release is v1.0.0.
Is WhoisLookup up?
0% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of WhoisLookup?
Servers from other publishers that do the same job: Domain Liveness MCP server.
How does WhoisLookup compare with other MCP servers?
safety score 22/100 (higher than 3% of 48,243 servers); uptime 0% (of our recent checks; the typical remote server answers 100%). Full comparison.

Alternatives to WhoisLookup

Same job from other publishers: the closest match first, then the best rated.

  • Domain Liveness
    Is this business's website still there? Checks apex and www, and DNS separately from HTTP.
    A

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