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March 07, 2024 2:00 PM

###### Advanced DNS Protection: mitigating sophisticated DNS DDoS attacks

We're proud to introduce the Advanced DNS Protection system, a robust defense mechanism designed to protect against the most sophisticated DNS-based DDoS attacks...

February 29, 2024 2:00 PM

###### Remediating new DNSSEC resource exhaustion vulnerabilities

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...

January 09, 2024 2:00 PM

###### DDoS threat report for 2023 Q4

Welcome to the sixteenth edition of Cloudflare’s DDoS Threat Report. This edition covers DDoS trends and key findings for the fourth and final quarter of the year 2023, complete with a review of major trends throughout the year...

December 14, 2023 3:05 PM

###### Using DNS to estimate the worldwide state of IPv6 adoption

In the last decade, IPv6 adoption on the client side went from under 1% to somewhere in the high 30 to low 40 percent, depending on who’s reporting, but there’s also the other end of the equation: the server side...

December 05, 2023 6:00 AM

###### Latest copyright decision in Germany rejects blocking through global DNS resolvers

A recent decision from the Higher Regional Court of Cologne in Germany marked important progress for Cloudflare and the Internet in pushing back against misguided attempts to address online copyright infringement through the DNS system...

September 04, 2023 1:00 PM

###### Connection coalescing with ORIGIN Frames: fewer DNS queries, fewer connections

In this blog we’re going to take a closer look at “connection coalescing”, with specific focus on manage it at a large scale...

July 11, 2023 8:48 AM

###### Connection errors in Asia Pacific region on July 9, 2023

On July 9, 2023, users in the Asia Pacific region experienced connection errors due to origin DNS resolution failures to .com and .net TLD nameservers...

June 23, 2023 1:00 PM

###### How we scaled and protected Eurovision 2023 voting with Pages and Turnstile

More than 162 million fans tuned in to the 2023 Eurovision Song Contest, the first year that non-participating countries could also vote. Cloudflare helped scale and protect the voting application based.io, built by once.net using our rapid DNS infrastructure, CDN, Cloudflare Pag...

February 28, 2023 2:00 PM

###### How Rust and Wasm power Cloudflare's 1.1.1.1

Introducing a new DNS platform that powers 1.1.1.1 and various other products....

December 21, 2022 2:00 PM

###### One of our most requested features is here: DNS record comments and tags

Today, we’re releasing DNS record comments and tags, making it easier to keep track of and manage DNS records of your domain...

December 15, 2022 2:00 PM

###### Cloudflare is joining the AS112 project to help the Internet deal with misdirected DNS queries

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....

September 30, 2022 1:00 PM

###### Goodbye, Alexa. Hello, Cloudflare Radar Domain Rankings

Today, we are launching a new dataset called Radar Rankings, where we identify the top most popular domains that reflect how people use the Internet globally and per country....

May 25, 2022 12:59 PM

###### Dig through SERVFAILs with EDE

Now we’re happy to announce we will return more error code types and include additional helpful information to further improve your debugging experience....

May 25, 2022 12:59 PM

###### How we improved DNS record build speed by more than 4,000x

How we redesigned our DNS pipeline to significantly improve DNS propagation speed across all zones....

May 03, 2022 12:58 PM

###### Wildcard proxy for everyone

Today we’re announcing the availability of proxied wildcard DNS records on all plan levels...