Reply to post: Re: Meh

TalkTalk customers demand opt-out fix for telco's DNS ad-jacking tactics

Tom Wood

Re: Meh

This is known as DNS hijacking. While it's merely annoying for users using Web browsers, it's a real pain for developers of other Internet-connected software, Web browsers etc. They rely on the NXDOMAIN response to help ydiagnose Internet connection issues etc. I develop software for set top boxes and we had to change our internet fault diagnosis tools significantly to cope with DNS servers that mess around with the DNS results in ways such as this. Basically, any DNS server that does this is broken and not compliant with Internet standards.

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