hcloud-dns

hcloud-dns is a skill for Claude Code from danjdewhurst/hcloud-skills. It costs 40 tokens per session (2,246 once invoked), scanned A, original, MIT.

A guide to managing Hetzner DNS, the system that connects domain names with services on the internet.

In plain words
What is it for?
Use it to create or inspect zones, manage DNS records, configure TTL values, handle zone files, and work with primary or secondary nameservers.
Why use it?
It puts DNS zones, records, nameservers, and time-to-live settings into one set of hcloud procedures.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Part of the hcloud plugin — 7 skills, 3 commands, 1 hook shipped together

Good fit Use it to create or inspect zones, manage DNS records, configure TTL values, handle zone files, and work with primary or secondary nameservers.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/danjdewhurst/hcloud-skills/hcloud-dns
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add danjdewhurst/hcloud-skills --skill hcloud-dns
Clone the repo
git clone --depth 1 https://github.com/danjdewhurst/hcloud-skills

Made for: Claude Code.

Or install hcloud, the plugin that ships this one along with the rest of its 7 skills, 3 commands, 1 hook.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for hcloud-dns

README.md
[![agentmods](https://agentmods.dev/badge/skills/danjdewhurst/hcloud-skills/hcloud-dns.svg)](https://agentmods.dev/skills/danjdewhurst/hcloud-skills/hcloud-dns)
Your own site
<a href="https://agentmods.dev/skills/danjdewhurst/hcloud-skills/hcloud-dns"><img src="https://agentmods.dev/badge/skills/danjdewhurst/hcloud-skills/hcloud-dns.svg" alt="Measured on agentmods" height="20"></a>
Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,246 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00040 $0.02246
Opus 5 $0.00020 $0.01123
Sonnet 5 $0.00008 $0.00449
Haiku 4.5 $0.00004 $0.00225

Measured 7d ago against content hash 67a9264017b0, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-07, from the pricing page.

Security

Grade A, and why

hcloud-dns scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 7d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/hcloud-dns/SKILL.md · 305 lines

How it starts

The opening of the file, as written. The whole thing — 305 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Hetzner Cloud DNS

Zone Lifecycle

Create a Zone

hcloud zone create [options] --name <name>

Flags:

  • --name <name> - Zone name / domain (required)
  • --ttl <seconds> - Default Time To Live (TTL) of the Zone
  • --mode <mode> - Mode of the Zone: primary, secondary (default: primary)
  • --zonefile <file> - Zone file in BIND (RFC 1034/1035) format (use - to read from stdin)
  • --primary-nameservers-file <file> - JSON file containing primary nameservers (for secondary zones)
  • --label <key=value> - User-defined labels (can be specified multiple times)
  • --enable-protection <delete> - Enable protection (default: none)
  • -o, --output json|yaml - Output format

List Zones

hcloud zone list [options]

Columns: id, name, name_idna, status, ttl, mode, authoritative_nameservers, primary_nameservers, registrar, record_count, age, created, labels, protection

Flags:

  • --mode <mode> - Filter by zone mode
  • -l, --selector <label> - Filter by label selector
  • -s, --sort <field> - Sort results
  • -o, --output noheader|columns=...|json|yaml - Output options

Describe a Zone

hcloud zone describe [options] <zone>

Flags:

  • -o, --output json|yaml|format - Output format

Delete Zones

hcloud zone delete <zone>...

Accepts one or more zone IDs or names.

Zone Configuration

Change Default TTL

hcloud zone change-ttl --ttl <seconds> <zone>

Flags:

  • --ttl <seconds> - Default Time To Live (TTL) of the Zone (required, default: 3600)

Change Primary Nameservers

hcloud zone change-primary-nameservers --primary-nameservers-file <file> <zone>

Changes the primary nameservers of a secondary Zone.

Flags:

  • --primary-nameservers-file <file> - JSON file containing the new primary nameservers (use - to read from stdin)

The input file must be JSON. Example:

[
  { "address": "203.0.113.10" },
  { "address": "203.0.113.11", "port": 5353 },
  { "address": "203.0.113.12", "tsig_algorithm": "hmac-sha256", "tsig_key": "example-key" }
]

Read the full file on GitHub · 305 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 7d ago First seen · 305 lines · 40 tokens per session scan A 67a9264017b0

Subscribe to this mod's changes

hcloud-dns is a skill published in the GitHub repository danjdewhurst/hcloud-skills (3 stars, last pushed 6mo ago), licensed MIT. It adds 40 tokens to every session and 2,246 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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