dnsperf: dnsperf (Tools that measure performance of authoritative DNS) dnsperf: dnsperf: dnsperf and resperf are free tools that make it simple to gather dnsperf: accurate latency and throughput metrics for Domain Name Service (DNS). dnsperf: These tools are easy-to-use and simulate typical Internet, so network dnsperf: operators can benchmark their naming and addressing infrastructure dnsperf: and plan for upgrades dnsperf: dnsperf: dnsperf: dnsperf: