i have inspected your python script. you print already generated DNS leak results from bash.ws , it does not do a new test when running script. it may seem like it does because you providing random numbers to this line https://bash.ws/dnsleak/test/[random test number here]?json

so how is this a DNS leak test?

Hi

What does the backend look like for this?

Thanks

I've uploaded the golang windows application of dnsleaktest to virustitotal.com and tried to reach the green rating without luck. This is really a big issue. Next I built the empty application, placed only main-function inside it. And the result turned out even worser. Here is it

https://www.virustotal.com/#/file/af6bc9900800a41c10338edfae19066b49f919df0e49892f1d25010324e4d729/detection

If I can't sort it out, I'll going to remove binary from github to prevent ban of my github account.

Hi,
BusyBox doesnt work the same like bash. Therefore some are changes necessary:

Line 50 changed: for i in {1..10};do -> for i in $(seq 1 10); do
Line 57 added: echo ${result} | \
Line 59 changed: ".[] | select(.type == \"${1}\") | \"\(.ip)\(if .country_name != \"\" and .country_name != false then \" [\(.country_name)\(if .asn != \"\" and .asn != false then \" \(.asn)\" else \"\" end)]\" else \"\" end)\"" \ -> ".[] | select(.type == \"${1}\") | \"\(.ip)\(if .country_name != \"\" and .country_name != false then \" [\(.country_name)\(if .asn != \"\" and .asn != false then \" \(.asn)\" else \"\" end)]\" else \"\" end)\""
Line 60 removed: <<< ${result}
Line 67 changed: dns_count=$(jq 'map(select(.type == "dns")) | length' <<< ${result}) -> echo ${result}) | dns_count=$(jq 'map(select(.type == "dns")) | length'
Line 81 changed: jq --monochrome-output --raw-output '.[] | select(.type == "conclusion") | .ip' <<< ${result} -> echo ${result} | jq --monochrome-output --raw-output '.[] | select(.type == "conclusion") | .ip'

Cosmetical changes but they allow to run the script on small routers.

Regards,
Piotr

This Doesn't seem to be working in windows 10

Context: https://community.cloudflare.com/t/question-about-very-rare-dns-leak/589872/8

There is currently nothing preventing a collision if 2 requests were to be made with the same random number at nearly the same time.

Hello,
First of all thank you for your work.
However, I want to use your command line script, but it gives me wrong answer.

./dnsleaktest.sh
=> Results

No internet connection.

Yet when I run a similar command (on the same machine) from my Internet browser, it works.

https://dnsleaktest.com/

• "Extended test"
  => Results

Test complete
Query round	Progress...	Servers found
1		......		1
2		......		1
3		......		1
4		......		1
5		......		1
6		......		1
IP 	            Hostname 	                    ISP 	      Country
185.147.xxx.xxx 185-147-xxx-xxx.xxx.xxxxxx.net. Netprotect-sp Stockholm, Sweden

Can you help me ?
Ricardo

Hello,

I'm using your bash dns checker since few times but right now I've the error "No Internet Connection" returned when I'm launching the script ..

So I'm just looking your code and test 2 commands to know if it's by my side or yours :
curl --head --request GET "https://bash.ws" returned

curl: (60) SSL certificate problem: self-signed certificate
More details here: https://curl.se/docs/sslcerts.html

curl failed to verify the legitimacy of the server and therefore could not
establish a secure connection to it. To learn more about this situation and
how to fix it, please visit the web page mentioned above.

With or without my own VPN which could block your site.

And this command
openssl s_client -servername bash.ws -connect bash.ws:443
returned your certificate and details so I don't understand if it's by my resort or not ..

Could you have so ideas that could help me ? :)

Thanks by advance

I required the ability to check for DNS leaks on multiple network interfaces, so I edited your script.

Added the following variable a the beginning:

interface='enp1s0u1u3'

Changed the following lines:

curl --silent --head --request GET "https://${api_domain}" | grep "200 OK" > /dev/null

result_json=$(curl --silent "https://${api_domain}/dnsleak/test/${id}?json")

result_txt=$(curl --silent "https://${api_domain}/dnsleak/test/${id}?txt")

to:

curl --silent --head --interface ${interface} --request GET "https://${api_domain}" | grep "200 OK" > /dev/null

result_json=$(curl --silent --interface ${interface} "https://${api_domain}/dnsleak/test/${id}?json")

result_txt=$(curl --silent --interface ${interface} "https://${api_domain}/dnsleak/test/${id}?txt")

Perhaps this could be something you could more elegantly solve in a future release? :)

Good work bud!