io.github.mclose/dns-mcp
DNS MCP Server
Is the DNS MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.
Real-time DNS security analysis — DNSSEC, email auth, and RDAP. Built for SOC investigations.
alive probed 2026-11-14 · unchanged since 2026-10-27
- Run it
- docker run -i --rm docker.io/mclose/dns-mcp:1.3.4 (stdio, probed in a container with the network off)
- Host
- docker.io
- Reports itself as
- DNS Query Server 3.0.2
- Capabilities
- experimental, extensions, prompts, resources, tools
- Instructions
- none
- Of a 1M window
- 0.9 % of a 1M context window
- Count
- 9.3k tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 9.6k. The o200k_base estimate is 5.2k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mclose/dns-mcp
- Registry
- active, updated 2026-03-29 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.78×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| nsec_info | 680 | 382 | 7 % |
| check_fast_flux | 666 | 374 | 7 % |
| dns_dnssec_validate | 584 | 328 | 6 % |
| dns_query_dot | 559 | 314 | 6 % |
| check_rbl | 548 | 308 | 6 % |
Compare this server with others.
More servers
Other registry entries on docker.io, the ones next to this name; all of them.
- io.github.magurelabs/outlook-email · not probed
- io.github.magurelabs/trino · not probed
- io.github.magurelabs/web-search · not probed
- io.github.magurelabs/zoom · not probed
- io.github.neverinfamous/memory-journal-mcp · not found
- io.github.neverinfamous/mysql-mcp · not found
- PostgreSQL MCP Server io.github.neverinfamous/postgres-mcp-server · not found
- Nhost io.github.nhost/mcp · not probed
Servers that mention investigations or analysis.
- agency.lona/trading · needs auth
- aTars MCP ai.aarna/atars-mcp · server error
- ARPI MCP ai.arpi/arpi-mcp · no DNS
- Axon NeuroAutomata ai.axonagentic/neuroautomata · needs auth
- Bareun — Korean NLP & Spell/Grammar Checking ai.bareun/bareun · alive
- Data Parrot AI Revenue Analyst for HubSpot ai.dataparrot/data-parrot · needs auth
- CreativeScope — Mobile Game Ad Creative Intelligence ai.creativescope/creative-intelligence · alive
- Draconic Market Intelligence ai.draconic/market-intelligence · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.