# dnstracer > The dnstracer command determines where a DNS gets its information from. > More information: . - 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}}`