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	<title>&#45; CircleID</title>
	<link>https://www.circleid.com/blogs/</link>
	<description>Postings from  on CircleID</description>
	<dc:language>en</dc:language>
	<dc:rights>Copyright 2026, unless where otherwise noted.</dc:rights>
	<dc:date>2026-03-31T21:29:00+00:00</dc:date>

	
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		<title> Observations on Resolver Behavior During DNS Outages (Featured Blog)</title>
		<guid isPermaLink="true">https://circleid.com/posts20220120-observations-on-resolver-behavior-during-dns-outages</guid>
		<link>https://circleid.com/posts20220120-observations-on-resolver-behavior-during-dns-outages</link>
		<description><![CDATA[When an outage affects a component of the internet infrastructure, there can often be downstream ripple effects affecting other components or services, either directly or indirectly. We would like to share our observations of this impact in the case of two recent such outages, measured at various levels of the DNS hierarchy, and discuss the resultant increase in query volume due to the behavior of recursive resolvers. <a href="https://circleid.com/posts20220120-observations-on-resolver-behavior-during-dns-outages">More...</a>]]></description>
		<dc:date>2026-03-31T14:29:00-07:00</dc:date>
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