dnswalk

all

DNS debugger. "Walk" across zones and validate database consistency and best practices.

Examples (8)

Debug a DNS pathway for a Fully Qualified Domain Name (FQDN)

dnswalk domain.

Process sub-domains [r]ecursively

dnswalk -r domain.

Only perform a `dnswalk` if the zone has been [m]odified since the last run

dnswalk -m domain.

Print [d]ebugging and status information to `stderr` instead of `stdout`

dnswalk -d domain.

Suppress the check for [i]nvalid characters in the domain name

dnswalk -i domain.

Enable duplicate A record warnings

dnswalk -a domain.

Enable "[F]ascist checking" to compare the A record PTR name with the forward name and report mismatches

dnswalk -F domain.

Enable "[l]ame delegation" to test whether the listed host is returning authoritative answers

dnswalk -l domain.