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Software · Networking & admin

Digger

Modern, advanced DNS lookup tool.

  • Completely free
  • Linux
  • Open source

At a glance

All of Digger is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • Commercial use allowed

About

Digger is a feature-rich DNS lookup tool designed for the GNOME desktop. It provides an intuitive interface for exploring DNS records, from simple queries to complex diagnostics. Key features include: Support for all major DNS record types (A, AAAA, MX, TXT, NS, etc.) Advanced options like reverse lookups, trace options, and custom servers DNS Blacklist (DNSBL) checking and performance monitoring Malware domain checking and DNSSEC chain-of-trust validation History with search and favorites management Batch lookup and server comparison tools

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 7 November 2026
  • Description from Flathub — AppStream (Flathub)

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