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49 lines
1.4 KiB
Markdown
49 lines
1.4 KiB
Markdown
---
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summary: "CLI reference for `openclaw dns` (wide-area discovery helpers)"
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read_when:
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- You want wide-area discovery (DNS-SD) via Tailscale + CoreDNS
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- You’re setting up split DNS for a custom discovery domain (example: openclaw.internal)
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title: "dns"
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---
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# `openclaw dns`
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DNS helpers for wide-area discovery (Tailscale + CoreDNS). Currently focused on macOS + Homebrew CoreDNS.
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Related:
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- Gateway discovery: [Discovery](/gateway/discovery)
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- Wide-area discovery config: [Configuration](/gateway/configuration)
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## Setup
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```bash
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openclaw dns setup
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openclaw dns setup --domain openclaw.internal
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openclaw dns setup --apply
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```
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## `dns setup`
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Plan or apply CoreDNS setup for unicast DNS-SD discovery.
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Options:
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- `--domain <domain>`: wide-area discovery domain (for example `openclaw.internal`)
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- `--apply`: install or update CoreDNS config and restart the service (requires sudo; macOS only)
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What it shows:
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- resolved discovery domain
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- zone file path
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- current tailnet IPs
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- recommended `openclaw.json` discovery config
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- the Tailscale Split DNS nameserver/domain values to set
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Notes:
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- Without `--apply`, the command is a planning helper only and prints the recommended setup.
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- If `--domain` is omitted, OpenClaw uses `discovery.wideArea.domain` from config.
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- `--apply` currently supports macOS only and expects Homebrew CoreDNS.
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- `--apply` bootstraps the zone file if needed, ensures the CoreDNS import stanza exists, and restarts the `coredns` brew service.
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