dnsperf-go is a tool written in Go to test performance of a DNS server.
Usage:
dnsperf-go [OPTIONS]
Application Options:
-d, --input= Path to query list file (required)
-s, --server= DNS server address (default: 127.0.0.1:53)
-m, --transport=[udp|tcp] Network transport mode (default: udp)
-t, --timeout= Timeout for query completion (default: 1s)
-l, --duration= Total benchmark duration (default: 10s)
-n, --loops= Maximum passes over the input list (0 = unlimited) (default: 0)
-c, --workers= Number of concurrent workers (default: 1)
-Q, --qps= Global query-per-seconds limit (default: 1)
-S, --realtime-stats= Print stats every N seconds (0s = disable) (default: 0s)
-p, --per-query-stats Print stats per queries (default: false)
-r, --shuffle Shuffle input (default: false)
Help Options:
-h, --help Show this help message
$ dnsperf-go -s 127.0.0.1:53 -d r0names.txt -Q 2000 -c 4000 -l 5s -S 1s
2025/04/30 08:21:32 Sending queries to 127.0.0.1:53/udp
2025/04/30 08:21:32 Duration=5s RateLimit=2000q/s Workers=4000
2025/04/30 08:21:33 QPS=1685.0q/s Sent=1685 Loss=0 NOERROR=1685
2025/04/30 08:21:34 QPS=1726.0q/s Sent=1726 Loss=0 NOERROR=1726
2025/04/30 08:21:35 QPS=1766.0q/s Sent=1766 Loss=0 NOERROR=1766
2025/04/30 08:21:36 QPS=1754.0q/s Sent=1754 Loss=0 NOERROR=1754
2025/04/30 08:21:37 Performance test completed
Statistics
Queries sent: 8691 reqs
Queries completed: 8691 reqs 100.0%
Queries lost: 0 reqs 0.0%
Queries per seconds: 1734.7 q/s
Run time: 5.0 sec
Latency(min): 0.30 msec
Latency(avg): 7.83 msec
Latency(max): 12.94 msec
Latency(stddev): 2.30 msec
Request size(avg): 43.0 bytes
Response size(avg): 84.0 bytes
Statistics per Rcode
NOERROR count: 8691 reqs
example.com A
example.com AAAA
www.example.jp A
www.example.jp AAAA