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=SubSecret DNSTester=
=SubSecret DNSTester=
DNSTester is a simple java-based tool for testing quality of the systems default DNS Server.
DNSTester is a simple java-based tool for testing quality of a DNS Server.
This can be a useful first step into finding out why pages sometimes takes a long time to load or do not load at all.
This can be a useful first step into finding out why pages sometimes takes a long time to load or do not load at all.



Latest revision as of 21:34, 29 September 2013

SubSecret DNSTester

DNSTester is a simple java-based tool for testing quality of a DNS Server. This can be a useful first step into finding out why pages sometimes takes a long time to load or do not load at all.

Download

JAR file also contains source code.

Date Version File Description
29. September 2013 1.10 http://files.subsecret.dk/DNSTester110.jar
http://files.subsecret.dk/DNSTester110-src.zip
Now using dnsjava for DNS lookups.
With dnsjava it is possible to test any dns server (not just system's default dns server)
26. May 2013 1.00 http://files.subsecret.dk/DNSTester100.jar Initial release

Benchmarks

Here is some benchmarks i did on various DNS Server with the tool.
Delay 0.5 sec.

DNS Provider Requests Average delay (ms.) Median delay (ms.) Min delay (ms.) Max delay (ms.) Failed
8.8.8.8 Google 1000 100 66 64 533 0
Router DNS
(8.8.8.8)
Netgear DGND4000
V1.1.00.14
1000 197 133 66 5398 0
208.67.222.222 OpenDNS 1000 122 100 50 15304 0
89.150.129.4 Fullrate 1000 28 25 24 204 0
Router DNS
(89.150.129.4)
Netgear DGND4000
V1.1.00.14
1000 66 27 25 415 0

License

SubSecret DNSTester is released under the GPL
dnsjava is released under the BSD License