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dnstrace

This tool performs a DNS resolution by tracing the delegation path from the root name servers, and by following the CNAME chain. Each query is reported with statistics about all delegated name servers.

Features

  • Follow CNAMEs
  • Query all name servers in parallel and report stats for each
  • Report about non glued name server lookup time
  • Enable DNSSEC query option to better emulate name server queries
  • Compute the cold best path as if the resolver started with an empty cache to recurse queried name

Usage

Usage: dnstrace [qtype] <domain>

  -color
    	Enable/disable colors (default true)

Install

Using homebrew:

brew install rs/tap/dnstrace

From source:

go install github.com/rs/dnstrace@latest

Or download a binary package.

License

All source code is licensed under the MIT License.