System administration

dnsglobe – global DNS propagation checker

dnsglobe is a global DNS propagation checker for the terminal.

It queries public DNS resolvers around the world in parallel, compares their answers, and displays the propagation of DNS records.

The software offers an interactive terminal interface with a world map and watch mode that repeatedly checks a record until propagation reaches 100%.

This is free and open source software.

Key Features

  • Queries 34 public DNS resolvers around the world in parallel.
  • Supports A, AAAA, CNAME, MX, NS, TXT, and SOA records.
  • Displays DNS propagation on a world map.
  • Watch mode automatically re-polls until propagation reaches 100%.
  • Groups answers sharing DNS records to handle round-robin DNS.
  • Flags resolvers returning differing answers.
  • Identifies responding sites for supported anycast DNS networks.
  • Offers a non-interactive mode suitable for scripts.
  • Supports custom resolvers through a TOML configuration file.
  • Can extend or replace the built-in resolver list.
  • TCP fallback for truncated DNS responses.

Website: github.com/514-labs/dnsglobe
Support:
Developer: Nicolas Joseph
License: MIT License

dnsglobe in action
Click animation for full size

dnsglobe is written in Rust. Learn Rust with our recommended free books and free tutorials.


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Read our verdict in the software roundup.


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