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wcth: new wcth cannot resolve www.stratcom.mil, old wcth can #1823

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bassosimone opened this issue Oct 15, 2021 · 2 comments
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wcth: new wcth cannot resolve www.stratcom.mil, old wcth can #1823

bassosimone opened this issue Oct 15, 2021 · 2 comments
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2024-01-data-quality-cleanup Data quality issues addressed on 2024-01 bug Something isn't working data quality priority/high

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I'm branching this issue off of #1707. The response generally is SERVFAIL when using 8.8.8.8:53 and 1.1.1.1:53, and it takes quite some time for the server to reply. Interestingly, I do not see any of this issue when using the resolver provided by Vodafone Italia, SpA. (I'm curious to figure out why!)

The legacy TH reports the response correctly. The new TH times out. I suspect the reason lies in the fact that our timing out strategy is not optimal. As an additional issue, I think we don't map SERVFAIL correctly: we say that the upstream server is misbehaving, which is what Go does. But this case is important enough to have its own mapping.

The reason why I am branching off this issue is that it's large enough to deserve its own time for investigating and fixing.
@bassosimone bassosimone added bug Something isn't working data quality labels Oct 15, 2021
@bassosimone bassosimone added this to the Sprint 50 - Amphipoda milestone Oct 15, 2021
@bassosimone bassosimone self-assigned this Oct 15, 2021
@bassosimone bassosimone mentioned this issue Oct 15, 2021
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@bassosimone bassosimone removed this from the Sprint 50 - Amphipoda milestone Oct 22, 2021
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It's worth noting that we now have support for SERVFAIL since ooni/probe-cli#728.

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It seems we're all good now: https://explorer.ooni.org/m/20240125182833.411648_IT_webconnectivity_ecbfe8ed0d1708e9

@bassosimone bassosimone added the 2024-01-data-quality-cleanup Data quality issues addressed on 2024-01 label Jan 26, 2024
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