A comprehensive toolkit for diagnosing DNS resolution, port connectivity, and HTTP/TLS issues across multiple operating systems.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install dns-networking
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install dns-networking using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is DNS & Networking?
The DNS & Networking skill provides developers and system administrators with a robust set of diagnostic tools to troubleshoot network-related bottlenecks. It covers everything from resolving complex DNS propagation issues using dig and nslookup to inspecting HTTP request lifecycles with curl verbose mode. This skill centralizes the essential commands needed for modern network debugging, making it an indispensable asset within the Openclaw Skills ecosystem for maintaining high-availability services and securing network paths.
By synthesizing low-level networking utilities with high-level application debugging, this skill allows users to quickly identify whether a failure resides at the resolution, connection, or protocol layer. It is designed to work seamlessly across Linux, macOS, and Windows environments, providing a unified approach to infrastructure health.
DNS & Networking Use Cases
- DNS name not resolving or pointing to incorrect IP addresses during deployments.
- Troubleshooting connection refused or connection timed out errors between microservices.
- Diagnosing restrictive firewall or security group rules in cloud environments.
- Identifying the root cause of failing HTTP requests using verbose diagnostic output.
- Testing proxy server configurations and verifying SSL/TLS certificate validity.
How DNS & Networking Works
- Verify DNS resolution using dig or nslookup to confirm that domain names are correctly mapped to IP addresses.
- Test port connectivity using netcat (nc) or bash built-ins to ensure the target service is listening and accessible.
- Analyze the network path with traceroute or mtr to identify specific hops where latency or packet loss occurs.
- Perform deep HTTP inspection with curl to analyze headers, status codes, and timing breakdowns (DNS, Connect, TTFB).
- Validate security and certificate chains using openssl to prevent handshake failures and verify expiration dates.
DNS & Networking Setup
Ensure your environment has the required diagnostic binaries installed. Most are pre-installed on Unix-like systems, but can be added via package managers if missing.
# For Linux (Ubuntu/Debian)
sudo apt-get update && sudo apt-get install dnsutils curl netcat-openbsd mtr openssl
# For macOS
brew install mtr curl openssl
These Openclaw Skills rely on standard system permissions; some commands like iptables or editing /etc/hosts will require sudo access.
DNS & Networking Data Schema & Taxonomy
The skill interacts with and interprets data from several system-level configuration files and tool outputs:
| Data Source | Purpose |
|---|---|
| /etc/resolv.conf | Identifies the active DNS nameservers for the system |
| /etc/hosts | Manages local DNS overrides and static mappings |
| curl --write-out | Provides structured timing data for HTTP request phases |
| openssl x509 | Parses certificate metadata including subjects, issuers, and dates |
| Environment Variables | Stores proxy configuration (HTTP_PROXY, NO_PROXY) |
DNS & Networking Advanced Features
- Automated network health scripts for quick one-touch environment diagnostics.
- Detailed curl timing breakdown to pinpoint latency in DNS, TLS handshakes, or server processing.
- SNI-specific certificate debugging for troubleshooting CDN and virtual host configurations.
- Cross-platform DNS cache management for macOS, Linux, and Windows.
- Continuous packet loss monitoring using MTR report modes for intermittent connectivity issues.
SKILL.md
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