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bind-utils

Query DNS records and diagnose resolution issues with dig, nslookup, and host.

6|1|Updated Feb 16, 2026
Search Tags:#troubleshooting#networking#dns#dig#nslookup#domain resolution
One-click install
npx skills add https://github.com/L3DigitalNet/Claude-Code-Plugins --skill bind-utils
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: bind-utils
Source: https://github.com/L3DigitalNet/Claude-Code-Plugins/tree/main/plugins/linux-sysadmin/skills/bind-utils
Command: npx skills add https://github.com/L3DigitalNet/Claude-Code-Plugins --skill bind-utils

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides essential command-line tools for diagnosing and troubleshooting Domain Name System (DNS) resolution issues, helping you understand why hostnames might not be resolving correctly.

Core Features & Use Cases

  • DNS Record Lookups: Query for A, AAAA, MX, TXT, SPF, DKIM, and DMARC records.
  • Troubleshooting: Trace delegation chains, perform reverse lookups, and check DNSSEC validation.
  • Use Case: When a website is inaccessible, use dig to check its A record and trace the delegation to pinpoint if the issue lies with your local resolver or the authoritative DNS server.

Quick Start

Use the bind-utils skill to perform a basic A record lookup for example.com.

Frequently Asked Questions about bind-utils

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I troubleshoot DNS resolution issues for a domain?▼

Troubleshoot DNS resolution issues by querying DNS records with command-line utilities like dig, nslookup, and host. You can trace delegation chains and perform reverse lookups to pinpoint whether the failure originates from your local resolver or the authoritative DNS server.

Can I check SPF, DKIM, and DMARC records using command-line DNS tools?▼

Yes, you can check SPF, DKIM, and DMARC records by querying TXT records with command-line DNS tools. Utilities like dig and host facilitate validating these mail authentication records to diagnose email delivery and domain verification problems.

What is the best way to trace DNS delegation chains for a website?▼

Trace DNS delegation chains by using the dig command to perform iterative lookups against authoritative name servers. This allows you to validate DNSSEC status and identify exactly where domain resolution failures occur within the hierarchy.

Do I need to install any packages to use dig and nslookup for network debugging?▼

Yes, you need to install the bind9-dnsutils or bind-utils packages to use dig, nslookup, and host. These packages provide the essential command-line utilities required for querying DNS records and debugging resolver behavior.

Why does my hostname fail to resolve correctly?▼

Hostname resolution failures often happen due to misconfigured DNS records or unresponsive authoritative servers. Use dig to check A records and trace the delegation path, helping you determine if the issue lies with your local resolver or the domain's DNS configuration.

Does dig support DNSSEC validation when diagnosing resolver behavior?▼

Yes, dig supports DNSSEC validation when diagnosing resolver behavior. You can query DNS records and trace delegation chains to verify DNSSEC status and ensure secure domain resolution.

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