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DNS Hijacking (A.K.A 'Enhanced Error Results')
NOTE: Please do not lock this forum thread unless a valid solution has been proposed. If this thread is locked without a solution or reason as to why the thread is locked, I will consider COX will not fix this issue. Problem All invalid hostnames that are forwarded through my Cox router resolve to the ip address: 92.242.140.2instead of properly returning a NXDOMAINDNS response. Troubleshooting I have changed both the IPv4 and IPv6 DNS server settings so that none of my server lookups should be contacting COX DNS servers. I have opted out of Enhanced Error Results from the internet tools section of my account settings page I have rebooted my router after applying the settings from #1 and opting out from #2 I am testing DNS resolution outside of any browser (using nslookup and ping) The tooling from #4 shows that the ip address resolution is coming from 2001:578:3f::30which is a COX owned DNS server, and is nowhere in my router configuration (I have overridden all IPv4 and IPv6 dns server addresses in #1). Finally, ifI route all of my traffic through a VPN,I do not encounter this issue, which leads me to believe there is something explicitly in the router software/firmware which is the source of this behavior. Conclusion Despite changing my DNS settings and opting out of enhance error results, I am still seeing incorrect DNS results returned by a COX server that my router is not set up to use. This is not a browser issue. I am seeing incorrect behavior outside and and inside of any browser. I have already made the DNS settings changes as suggested by other forum posts, which does not solve this problem: http://forums.cox.com/forum_home/internet_forum/f/5/t/16006.aspx http://forums.cox.com/forum_home/internet_forum/f/5/t/14154.aspx http://forums.cox.com/forum_home/internet_forum/f/5/t/14649.aspx Details System: ARRIS DOCSIS 3.0 / PC 1.5 Touchstone Residential Gateway HW_REV: 3 VENDOR: ARRIS Group, Inc. BOOTR: 4.2.0.45 SW_REV: 9.1.103AA MODEL: TG2472G Firmware Name: TS0901103AA_051016_24XX.GW Firmware Build Time: Tue May 10 17:42:18 EDT 2016 eSAFE 0 FW Revision: TS0901103AA_051016_ARRIS_GW
