AT&T

DNS hijacking by some mobile carriers

DNS, iOS

Some of our users reported that DNS Override feature works properly with Wi-Fi networks, but it doesn’t affect the cellular connection as expected.
In most cases this is caused by the fact that the mobile operator is performing DNS hijacking. This means that DNS Override app does his job properly and the DNS queries are targeting DNS servers selected by the user, but the ISP is then intercepting this traffic and forcing DNS resolution using it’s own DNS resolvers.
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