# io.github.ofershap/dns (npm · mcp-server-dns)

MCP server for DNS lookups, reverse DNS, WHOIS, and domain checks — zero auth, zero config

- Trust score: 69/100 (medium)
- Change this week: +45
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-08-03

## Components

- npm · `mcp-server-dns`: 69/100 (this document), [markdown](https://verifymcp.io/servers/ofershap-dns/mcp-server-dns.md), [page](https://verifymcp.io/servers/ofershap-dns/mcp-server-dns)

## Channel facts

- Registry: `npm`
- Package: `mcp-server-dns`
- Version: `1.0.1`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-08-03.

- **Supply Chain Security**: 87/100
  - No malware found by supply-chain analysis.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
  - No install/post-install scripts declared.
  - Only part of the dependency tree could be resolved (95 of 99), so this covers what we could see, not the whole tree.
- **Provenance & Transparency**: 45/100
  - Source repository is publicly reachable at the declared URL.
  - Provenance check failed: no build-provenance attestation is published.
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 145 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 77/100
  - AI-judged instruction clarity (excellent).
  - Tool/resource definitions use about 268 tokens (~53/item across 5 items; 5 tools + 0 resources), lean.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 23/100
  - Stability observed for 7 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Capabilities**: 100/100
  - Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.

## Install

### Claude

```bash
claude mcp add ofershap-dns -- npx -y mcp-server-dns
```

### Codex

```bash
codex mcp add ofershap-dns -- npx -y mcp-server-dns
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "ofershap-dns": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "mcp-server-dns"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add ofershap-dns --command npx --arg -y --arg mcp-server-dns
```

### Hermes

```yaml
mcp_servers:
  ofershap-dns:
    command: "npx"
    args: ["-y", "mcp-server-dns"]
```

### Other

```json
{
  "mcpServers": {
    "ofershap-dns": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-server-dns"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-08-02 (score 69, +33)

- [security regression] Provenance: unverified → fail
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Install scripts: unverified → pass
- [security improvement] Malware scan: unverified → pass
- [security] Stability: Stability not yet verified: we do not have a sandbox capture of the MCP schema this version of the package serves yet.
- [functional regression] Tool coverage: 100 → unverified
- [functional regression] Security disclosure: fail → unverified
- [functional regression] Capabilities: pass → unverified
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] License: unverified → pass
- [functional improvement] Stability: unverified → 0.20
- [functional improvement] Maintenance: unverified → pass
- [functional] Licence: MIT

### 2026-07-31 (score 36, −22)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-07-30 (score 58, −22)

- [security regression] Known CVEs: partial → unverified
- [security regression] Provenance: fail → unverified
- [security regression] Install scripts: pass → unverified
- [functional regression] Maintenance: pass → unverified
- [functional regression] License: pass → unverified
- [functional regression] Dependency health: partial → unverified
- [functional] Licence: MIT

### 2026-07-28 (score 80, +56)

- [security regression] Provenance: unverified → fail
- [security improvement] Known CVEs: unverified → partial
- [security improvement] Install scripts: unverified → pass
- [functional improvement] Maintenance: unverified → pass
- [functional improvement] Dependency health: unverified → partial
- [functional improvement] License: unverified → pass
- [functional improvement] Tool coverage: unverified → 100
- [functional] First check of Tool coverage: 100
- [functional] First check of Schema quality: pass
- [functional] First check of Schema quality: excellent
- [functional] First check of Schema quality: fail
- [functional] Licence: MIT

### 2026-07-27 (score 24)

First indexed and scored.

## MCP tools (5)

### `dns_lookup` (~91 tokens)

Look up DNS records for a domain. Returns A, AAAA, MX, TXT, NS, CNAME, SOA, SRV, or PTR records.

Input parameters:

- `domain` (string, required): Domain name to look up (e.g. example.com)
- `type` (string): Record type: A, AAAA, MX, TXT, CNAME, NS, SOA, SRV, or PTR

### `reverse_dns` (~42 tokens)

Perform a reverse DNS (PTR) lookup on an IP address.

Input parameters:

- `ip` (string, required): IP address (e.g. 8.8.8.8)

### `resolve_all` (~53 tokens)

Resolve all common DNS record types (A, AAAA, MX, TXT, NS, CNAME) for a domain in one call.

Input parameters:

- `domain` (string, required): Domain name to resolve (e.g. example.com)

### `check_nameservers` (~36 tokens)

Get the nameserver (NS) records for a domain.

Input parameters:

- `domain` (string, required): Domain name (e.g. example.com)

### `whois` (~46 tokens)

Query WHOIS data for a domain. Uses IANA and follows referrals to registrar WHOIS servers.

Input parameters:

- `domain` (string, required): Domain name for WHOIS (e.g. example.com)

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/ofershap-dns/mcp-server-dns#diagnostics

## Score history

- 2026-08-03: 69
- 2026-08-02: 69
- 2026-08-01: 36
- 2026-07-31: 36
- 2026-07-30: 58
- 2026-07-28: 80
- 2026-07-27: 24

## Links

- npm package: https://www.npmjs.com/package/mcp-server-dns
- Socket report: https://socket.dev/npm/package/mcp-server-dns
- Repository: https://github.com/ofershap/mcp-server-dns
- Changelog RSS feed: https://verifymcp.io/servers/ofershap-dns/mcp-server-dns/changelog.xml
- Changelog JSON feed: https://verifymcp.io/servers/ofershap-dns/mcp-server-dns/changelog.json
- HTML version of this page: https://verifymcp.io/servers/ofershap-dns/mcp-server-dns