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    <title>DNS on Tor Project status</title>
    <link>https://torprojectstatus.org/affected/dns/</link>
    <description>Incident history</description>
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    <lastBuildDate>2025-09-20T17:40:10+00:00</lastBuildDate>
    <updated>2025-09-20T17:40:10+00:00</updated>
    
    
    
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        <title>[Resolved] DNSSEC outage</title>
        <link>https://torprojectstatus.org/issues/2025-09-20-dnssec-outage/</link>
        <pubDate>Sat, 20 Sep 2025 17:40:10 +0000</pubDate>
        <guid>https://torprojectstatus.org/issues/2025-09-20-dnssec-outage/</guid>
        <category>2025-09-20T20:32:00-00:00</category>
        <description>All services are affected by a major DNS outage.
It seems like DNSSEC key rotations happened sooner than expected: the rotation was planned for November 2025, and it happened today, breaking DNS resolution for all torproject.org domains around 2025-09-20 17:40:10UTC.
Keys were updated in the .org registry at around 19:32UTC. With the one hour time-to-live record on .org DS records, we expect this outage will be fully resolved by 20:32UTC.</description>
        <content type="html">&lt;p&gt;All services are affected by a major DNS outage.&lt;/p&gt;
&lt;p&gt;It seems like DNSSEC key rotations happened sooner than expected: the
rotation was planned for November 2025, and it happened today,
breaking DNS resolution for all &lt;code&gt;torproject.org&lt;/code&gt; domains around
2025-09-20 17:40:10UTC.&lt;/p&gt;
&lt;p&gt;Keys were updated in the &lt;code&gt;.org&lt;/code&gt; registry at around 19:32UTC. With the
one hour time-to-live record on &lt;code&gt;.org&lt;/code&gt; DS records, we expect this
outage will be fully resolved by 20:32UTC.&lt;/p&gt;
&lt;p&gt;The &lt;code&gt;.net&lt;/code&gt; domains have a much longer time to live (a full day), and
we believe this lessened the impact of the outage on that domain. The
DS keys were updated at 20:32UTC, which gave a window of about three
hours for the outage on that domain, for which the outage is actually
a full day, with service fully returning on 2025-09-21 20:32.&lt;/p&gt;
&lt;p&gt;Details in the GitLab incident &lt;a href=&#34;https://gitlab.torproject.org/tpo/tpa/team/-/issues/42297&#34;&gt;tpo/tpa/team#42297&lt;/a&gt;.&lt;/p&gt;
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        <title>[Resolved] DNS services disruption</title>
        <link>https://torprojectstatus.org/issues/2022-12-07-dns/</link>
        <pubDate>Wed, 07 Dec 2022 03:15:00 +0000</pubDate>
        <guid>https://torprojectstatus.org/issues/2022-12-07-dns/</guid>
        <category>2022-12-08 18:30:00</category>
        <description>We are currently experiencing a higher than normal load on our DNS infrastructure, and have received several reports of DNS resolution failures, especially from users of Google DNS.
Update, 2022-12-08: We have deployed mitigations that appear to have successfully restored the service to usual levels.
See issue tpo/tpa/team#40996 for details.</description>
        <content type="html">&lt;p&gt;We are currently experiencing a higher than normal load on our DNS
infrastructure, and have received several reports of DNS resolution
failures, especially from users of Google DNS.&lt;/p&gt;
&lt;p&gt;Update, 2022-12-08: We have deployed mitigations that appear to have
successfully restored the service to usual levels.&lt;/p&gt;
&lt;p&gt;See &lt;a href=&#34;https://gitlab.torproject.org/tpo/tpa/team/-/issues/40996&#34;&gt;issue tpo/tpa/team#40996&lt;/a&gt; for details.&lt;/p&gt;
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