README
¶
DNS Blast
A DNS performance testing utility
| Currently Supported Protocols |
|---|
| UDP DNS |
| TCP DNS |
| TCP DNS over TLS |
Documentation
Take a look at the Wiki for testing instructions.
New Features
Sat Mar 14 00:28:50 DST 2020
- IPv6 Support
- Generate load using query names from a query file. The file file should have one FQDN per line
- Configurable number of concurrent queries
- Ability to disable certificate validation for DNS over TLS
Installation
Download the executable
v1
Go to downloads
Build for your platform
Requirements
- go
go get github.com/sandeeprenjith/dnsblast
Build for other platforms
Requirements
- go
- make
$ git clone https://github.com/sandeeprenjith/dnsblast.git
$ cd dnsblast
$ make
This creates a directory named "builds". The directory contains archives with executables for different platforms.
╰$ tree builds
builds
├ dnsblast-v1-darwin-386.tar.gz
├ dnsblast-v1-darwin-amd64.tar.gz
├ dnsblast-v1-linux-386.tar.gz
├ dnsblast-v1-linux-amd64.tar.gz
├ dnsblast-v1-linux-arm.tar.gz
├ dnsblast-v1-linux-arm64.tar.gz
The archives contain the executable for the platform which the name of the archive suggests.
$ tar -tf builds/dnsblast-v1-linux-386.tar.gz
dnsblast
Usage
$ ./dnsblast
-c int
Value 0 for random QNAMES (for uncached responses), 100 for Predictable QNAMES (for cached responses)
-f string
Input file with query names
-l int
Duration to run load (default 60)
-noverify
Skip SSL verification ( to be used with '-proto tls')
-p string
The destination UDP port (default "53")
-proto string
Protocol to use for DNS queries ( udp, tcp, tls) (default "udp")
-q int
Concurrent queries to send (default 10)
-r int
Packets per second to send (default 1000)
-s string
[Required] The address of the target server
-t int
Number of threads (default 2)
Sample Output
DNS (UDP)
Tested against BIND configured to provide fake responses. Details of configuration available here
$ ./dnsblast -s 192.168.130.9 -r 40000 -q 200 -l 10
EXECUTING TEST
+-----------------------------------------------------------+
2020/03/15 03:45:26 QPS/Thread: 6000 Latency: 16.677117ms
2020/03/15 03:45:27 QPS/Thread: 11800 Latency: 15.787841ms
2020/03/15 03:45:28 QPS/Thread: 6400 Latency: 45.398035ms
2020/03/15 03:45:29 QPS/Thread: 18400 Latency: 20.184322ms
2020/03/15 03:45:30 QPS/Thread: 6200 Latency: 75.833313ms
2020/03/15 03:45:31 QPS/Thread: 19000 Latency: 30.486501ms
2020/03/15 03:45:32 QPS/Thread: 12000 Latency: 55.365939ms
2020/03/15 03:45:33 QPS/Thread: 6000 Latency: 126.906884ms
2020/03/15 03:45:34 QPS/Thread: 5800 Latency: 149.469651ms
2020/03/15 03:45:35 QPS/Thread: 8400 Latency: 116.027951ms
+-----------------------------------------------------------+
REPORT
+---------------------+------------------------+
| Target Server | udp://192.168.130.9:53 |
| Test | Uncached Responses |
| Send Rate | 40000 Queries/Sec |
| Threads | 2 |
| Duration of test | 10 Sec |
| Protocol | UDP |
| Average Queries/Sec | 20933 |
| Average Latency | 80.066453ms |
+---------------------+------------------------+
DNS over TLS
Tested against Coredns running DNS over TLS with erratic plugin configured to give fake responses. Details on configuration available here
$ ./dnsblast -s 192.168.130.9 -l 10 -r 1000 -q 20 -proto tls -noverify
EXECUTING TEST
+-----------------------------------------------------------+
2020/03/15 03:24:37 QPS/Thread: 140 Latency: 84.2214ms
2020/03/15 03:24:38 QPS/Thread: 300 Latency: 81.66225ms
2020/03/15 03:24:39 QPS/Thread: 300 Latency: 114.151156ms
2020/03/15 03:24:40 QPS/Thread: 300 Latency: 154.465046ms
2020/03/15 03:24:41 QPS/Thread: 280 Latency: 213.839306ms
2020/03/15 03:24:42 QPS/Thread: 300 Latency: 229.693182ms
2020/03/15 03:24:43 QPS/Thread: 320 Latency: 272.623912ms
2020/03/15 03:24:44 QPS/Thread: 300 Latency: 309.042142ms
2020/03/15 03:24:45 QPS/Thread: 320 Latency: 350.795333ms
2020/03/15 03:24:46 QPS/Thread: 160 Latency: 774.228763ms
+-----------------------------------------------------------+
REPORT
+---------------------+-------------------------+
| Target Server | tls://192.168.130.9:853 |
| Test | Uncached Responses |
| Send Rate | 1000 Queries/Sec |
| Threads | 2 |
| Duration of test | 10 Sec |
| Protocol | TCP-TLS |
| Average Queries/Sec | 506 |
| Average Latency | 301.643311ms |
+---------------------+-------------------------+
IPv6
$ ./dnsblast -s dead:face::2 -r 500 -q 2 -proto tls -noverify -l 10
EXECUTING TEST
+-----------------------------------------------------------+
2020/03/17 23:26:15 QPS/Thread: 36 Latency: 32.141583ms
2020/03/17 23:26:16 QPS/Thread: 32 Latency: 70.730121ms
2020/03/17 23:26:17 QPS/Thread: 114 Latency: 33.450903ms
2020/03/17 23:26:18 QPS/Thread: 88 Latency: 57.15537ms
2020/03/17 23:26:19 QPS/Thread: 88 Latency: 73.337146ms
2020/03/17 23:26:20 QPS/Thread: 42 Latency: 182.624116ms
2020/03/17 23:26:21 QPS/Thread: 34 Latency: 258.311857ms
2020/03/17 23:26:22 QPS/Thread: 34 Latency: 292.833628ms
2020/03/17 23:26:23 QPS/Thread: 36 Latency: 309.374108ms
2020/03/17 23:26:24 QPS/Thread: 236 Latency: 54.491316ms
2020/03/17 23:26:25 QPS/Thread: 88 Latency: 158.465191ms
2020/03/17 23:26:26 QPS/Thread: 46 Latency: 328.005638ms
2020/03/17 23:26:27 QPS/Thread: 44 Latency: 370.920222ms
+-----------------------------------------------------------+
REPORT
+---------------------+------------------------+
| Target Server | tls://dead:face::2:853 |
| Test | Uncached Responses |
| Send Rate | 500 Queries/Sec |
| Threads | 2 |
| Duration of test | 10 Sec |
| Protocol | TCP-TLS |
| Average Queries/Sec | 196 |
| Average Latency | 53.629597ms |
+---------------------+------------------------+
Credit where due
Documentation
¶
There is no documentation for this package.
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