Detecting DNS-server |
Detecting DNS-server |
pandy |
Oct 13 2017, 03:17 AM
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#1
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🌟Computer says no🌟 Group: WDG Moderators Posts: 20,730 Joined: 9-August 06 Member No.: 6 |
Can a site detect what DNS server a visitor uses? I found this.
https://security.stackexchange.com/question...r-a-client-uses Not the JavaScript idea, the random hostname setup. Are there other ways? |
Christian J |
Nov 10 2017, 05:09 AM
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#2
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. Group: WDG Moderators Posts: 9,653 Joined: 10-August 06 Member No.: 7 |
I don't know anything about this, but doesn't a visitor normally use his ISP's DNS server (and the ISP is revealed by the visitor's IP)? Or are you thinking about DNS leaks when using VPNs or other anonymizing methods?
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pandy |
Nov 11 2017, 08:47 AM
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#3
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🌟Computer says no🌟 Group: WDG Moderators Posts: 20,730 Joined: 9-August 06 Member No.: 6 |
I don't know anything about this, but doesn't a visitor normally use his ISP's DNS server (and the ISP is revealed by the visitor's IP)? Or are you thinking about DNS leaks when using VPNs or other anonymizing methods? Normally yes, but I don't think it's that unusual not to. There are several reasons why one could prefer to use other DNS servers. I'm not interested in doing any DNS spying myself. I suspected a site was doing it and got curious if it was even possible. Now I have forgotten what site it was, but I'm still curious. |
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