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Incorrect IP resolved from DNS
Reported by
dylan.ky...@gmail.com,
Jan 17 2017
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Issue descriptionUserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36 Example URL: Steps to reproduce the problem: 1. Attempt to access a domain that resolves to two different IP's based upon the nameserver in use. Let one be an internal IP resolved through a nameserver that's only accessible through a VPN and the other be a public IP that's accessed through publicly available nameservers. 2. Nameservers config from chrome://net-internals/#dns <internal VPN dns 1>:53 <internal VPN dns 2>:53 <router/public dns>:53 What is the expected behavior? I'd expect the dns to resolve from internal dns 1 or 2 like dig or firefox do. What went wrong? Instead it will randomly resolve from the public dns. Sometimes it will get it right, but it seems like most of the time it's resolving from the public dns and even clearing the host cache on chrome://net-internals/#dns doesn't seem to help. Did this work before? N/A Chrome version: 55.0.2883.87 Channel: stable OS Version: Flash Version: Shockwave Flash 24.0 r0 I have seen this work correctly in Chrome on OS X and in Firefox on Linux. I feel like this used to work correctly and stopped within the past 6 months, but I'm not 100% sure on that. This superuser question seems to almost exactly describe my issue http://superuser.com/questions/656938/does-chrome-use-a-different-dns-server-from-the-os?rq=1
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Jan 17 2017
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Jan 17 2017
Clearing cache does indeed clear the internal DNS cache (We also clear it on network changes and abort in-process DNS lookups, so it shouldn't be needed when reconnecting to WiFi, anyways). I think we may just rotate DNS servers when using the internal client.
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Jan 18 2017
Okay, that gives me a little more insight into why it seems to be occurring so randomly.
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Jan 19 2017
This issue seems to be out of TE-scope. Hence, marking label as TE-NeedsTriageHelp for further investigation. Thanks...!!
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May 9 2017
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Mar 2 2018
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Comment 1 by dylan.ky...@gmail.com
, Jan 17 2017