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	<title>Resolver &#8211; Noise</title>
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	<description>The collective thoughts of the interwebz</description>
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		<title>Addressing the unauthorized issuance of multiple TLS certificates for 1.1.1.1</title>
		<link>https://noise.getoto.net/2025/09/04/addressing-the-unauthorized-issuance-of-multiple-tls-certificates-for-1-1-1-1/</link>
		
		<dc:creator><![CDATA[Joe Abley]]></dc:creator>
		<pubDate>Thu, 04 Sep 2025 17:30:00 +0000</pubDate>
				<category><![CDATA[1.1.1.1]]></category>
		<category><![CDATA[Certificate Authority]]></category>
		<category><![CDATA[Certificate Transparency]]></category>
		<category><![CDATA[DNS]]></category>
		<category><![CDATA[doh]]></category>
		<category><![CDATA[Resolver]]></category>
		<category><![CDATA[security]]></category>
		<category><![CDATA[TLS]]></category>
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					<description><![CDATA[Unauthorized TLS certificates were issued for 1.1.1.1 by a Certification Authority without permission from Cloudflare. These rogue certificates have now been revoked.]]></description>
		
		
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		<title>Some TXT about, and A PTR to, new DNS insights on Cloudflare Radar</title>
		<link>https://noise.getoto.net/2025/02/27/some-txt-about-and-a-ptr-to-new-dns-insights-on-cloudflare-radar/</link>
		
		<dc:creator><![CDATA[David Belson]]></dc:creator>
		<pubDate>Thu, 27 Feb 2025 14:00:00 +0000</pubDate>
				<category><![CDATA[1.1.1.1]]></category>
		<category><![CDATA[DNS]]></category>
		<category><![CDATA[DNSSEC]]></category>
		<category><![CDATA[doh]]></category>
		<category><![CDATA[Radar]]></category>
		<category><![CDATA[Resolver]]></category>
		<category><![CDATA[Traffic]]></category>
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					<description><![CDATA[The new Cloudflare Radar DNS page provides increased visibility into aggregate traffic and usage trends seen by our 1.1.1.1 resolver]]></description>
		
		
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		<item>
		<title>Remediating new DNSSEC resource exhaustion vulnerabilities</title>
		<link>https://noise.getoto.net/2024/02/29/remediating-new-dnssec-resource-exhaustion-vulnerabilities/</link>
		
		<dc:creator><![CDATA[Vicky Shrestha]]></dc:creator>
		<pubDate>Thu, 29 Feb 2024 14:00:57 +0000</pubDate>
				<category><![CDATA[1.1.1.1]]></category>
		<category><![CDATA[CVE-2023-50387]]></category>
		<category><![CDATA[DNS]]></category>
		<category><![CDATA[DNSSEC]]></category>
		<category><![CDATA[KeyTrap]]></category>
		<category><![CDATA[NSEC3]]></category>
		<category><![CDATA[Resolver]]></category>
		<category><![CDATA[vulnerabilities]]></category>
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					<description><![CDATA[Cloudflare recently fixed two critical DNSSEC vulnerabilities: CVE-2023-50387 and CVE-2023-50868. Both of these vulnerabilities can exhaust computational resources of validating DNS resolvers. These vulnerabilities do not affect our Authoritative DNS or DNS firewall products]]></description>
		
		
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		<item>
		<title>How Rust and Wasm power Cloudflare&#8217;s 1.1.1.1</title>
		<link>https://noise.getoto.net/2023/02/28/how-rust-and-wasm-power-cloudflares-1-1-1-1/</link>
		
		<dc:creator><![CDATA[Anbang Wen]]></dc:creator>
		<pubDate>Tue, 28 Feb 2023 14:00:00 +0000</pubDate>
				<category><![CDATA[1.1.1.1]]></category>
		<category><![CDATA[DNS]]></category>
		<category><![CDATA[Resolver]]></category>
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					<description><![CDATA[Introducing a new DNS platform that powers 1.1.1.1 and various other products.]]></description>
		
		
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		<item>
		<title>Cloudflare is joining the AS112 project to help the Internet deal with misdirected DNS queries</title>
		<link>https://noise.getoto.net/2022/12/15/cloudflare-is-joining-the-as112-project-to-help-the-internet-deal-with-misdirected-dns-queries/</link>
		
		<dc:creator><![CDATA[Hunts Chen]]></dc:creator>
		<pubDate>Thu, 15 Dec 2022 14:00:00 +0000</pubDate>
				<category><![CDATA[AS112]]></category>
		<category><![CDATA[DNS]]></category>
		<category><![CDATA[Impact Week]]></category>
		<category><![CDATA[Privacy]]></category>
		<category><![CDATA[Resolver]]></category>
		<category><![CDATA[Speed & Reliability]]></category>
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					<description><![CDATA[Cloudflare is participating in the AS112 project, becoming an operator of the loosely coordinated, distributed sink of the reverse lookup (PTR) queries for RFC 1918 addresses, dynamic DNS updates and other ambiguous addresses.]]></description>
		
		
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		<title>Dig through SERVFAILs with EDE</title>
		<link>https://noise.getoto.net/2022/05/25/dig-through-servfails-with-ede/</link>
		
		<dc:creator><![CDATA[Stanley Chiang]]></dc:creator>
		<pubDate>Wed, 25 May 2022 12:59:18 +0000</pubDate>
				<category><![CDATA[1.1.1.1]]></category>
		<category><![CDATA[DNS]]></category>
		<category><![CDATA[Resolver]]></category>
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					<description><![CDATA[Now we’re happy to announce we will return more error code types and include additional helpful information to further improve your debugging experience.]]></description>
		
		
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		<item>
		<title>Unwrap the SERVFAIL</title>
		<link>https://noise.getoto.net/2020/10/30/unwrap-the-servfail/</link>
		
		<dc:creator><![CDATA[Anbang Wen]]></dc:creator>
		<pubDate>Fri, 30 Oct 2020 12:00:00 +0000</pubDate>
				<category><![CDATA[DNS]]></category>
		<category><![CDATA[Resolver]]></category>
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					<description><![CDATA[We recently released a new version of Cloudflare Resolver, which adds a piece of information called &#8220;Extended DNS Errors&#8221; (EDE) along with the response code under certain circumstances. This will be helpful in tracing DNS resolution errors and figure out what went wrong behind the scenes.]]></description>
		
		
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