dnstracer
The dnstracer command determines where a DNS gets its information from. More information: https://manned.org/dnstracer.
- Find out where your local DNS got the information on www.example.com:
dnstracer www.example.com
- Start with a [s]pecific DNS that you already know:
dnstracer -s dns.example.org www.example.com
- Only query IPv4 servers:
dnstracer -4 www.example.com
- Retry each request 5 times on failure:
dnstracer -r 5 www.example.com
- Display all steps during execution:
dnstracer -v www.example.com
- Display an [o]verview of all received answers after execution:
dnstracer -o www.example.com