Trace DNS delegation from the root
Build a paste-ready command, then review its compatibility and effects before running it.
dig +trace <domain> | tail -15Complete required fields to copy the generated command.
read-onlyno known side effects Compatibility
LinuxVerified for Linux using posix, bash, zsh syntax.
Operational knowledgereview due 2027-01-20
Requirementsdigdig must be installed and available on PATH.
Version supportdig Current supported releasesVerified for linux using posix, bash, zsh syntax; consult compatibility notes for platform-specific differences.
Expected signalsexample.com. 172800 IN NS a.iana-servers.net.Representative successful output; values vary with the selected target and system state.
Known errorsdig: command not founddig is missing or is not available on PATH.
Verifydig +trace {{domain}} | tail -15The output matches the expected target and exits without an error.Rollback noteNot required: this command is read-only and does not change system state.
Command breakdown
01digCommandRuns the dig stage of this one-liner.
02+traceOptionConfigures dig with the +trace option.
03<domain>ParameterA value supplied in the Fill parameters section.
04|PipelinePasses the output on the left to the command on the right.
05tailCommandRuns the tail stage of this one-liner.
06-15OptionConfigures tail with the -15 option.
Example input
dig +trace example.com | tail -15
Example output
example.com. 172800 IN NS a.iana-servers.net.
example.com. 86400 IN A 93.184.216.34
;; Received 56 bytes from 199.43.135.53#53(a.iana-servers.net) in 18 ms
Illustrative output — exact values vary by system and data.
Official sources