Resolver - The Cloudflare Blog

Dig through SERVFAILs with EDE

May 25, 2022 1:59PM

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

Unwrap the SERVFAIL

October 30, 2020 12:00PM

DNS Resolver

We recently released a new version of Cloudflare Resolver, which adds a piece of information called “Extended DNS Errors” (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....

Anbang Wen

The Mistake that Caused 1.1.1.3 to Block LGBTQIA+ Sites Today

April 02, 2020 4:32AM

1.1.1.1 DNS Resolver

Today we made a mistake. The mistake caused a number of LGBTQIA+ sites to inadvertently be blocked by the new 1.1.1.1 for Families service. I wanted to walk through what happened, why, and what we've done to fix it....

Matthew Prince

Announcing the Beta for WARP for macOS and Windows

April 01, 2020 2:00PM

WARP 1.1.1.1 Security Speed & Reliability Privacy

While WARP started as an option within the 1.1.1.1 app, it's really a technology that can benefit any device connected to the Internet. In fact, one of the most common requests we've gotten over the last year is support for WARP for macOS and Windows. Today we're announcing exactly that....

Matthew Prince

Announcing the Results of the 1.1.1.1 Public DNS Resolver Privacy Examination

March 31, 2020 2:01PM

1.1.1.1 DNS Resolver Privacy DoH

We took a big step toward improving Internet privacy and security with the launch of the 1.1.1.1 public DNS resolver. And we really meant privacy first. We were not satisfied with the status quo and believed that secure DNS resolution with transparent privacy practices should be the new normal....

John Graham-Cumming

March 12, 2020 12:00PM

Protect your team with Cloudflare Gateway

On January 7th, we announced Cloudflare for Teams, a new way to protect organizations and their employees globally, without sacrificing performance. Cloudflare for Teams centers around two core products - Cloudflare Access and Cloudflare Gateway....

By

Irtefa

Cloudflare Zero Trust , Cloudflare Gateway , Security , Product News , DNS

December 21, 2018 4:00PM

Encrypting DNS end-to-end

Over the past few months, we have been running a pilot with Facebook to test the feasibility of securing the connection between 1.1.1.1 and Facebook’s authoritative name servers....

By

Irtefa

1.1.1.1 , DNS , Resolver , Speed & Reliability , TLS

November 11, 2018 1:00PM

1 Thing You Can Do To Make Your Internet Safer And Faster

On April 1st, 2018, we announced 1.1.1.1, the fastest public DNS resolver in the world 🚀🚀🚀. Today, we are launching the 1.1.1.1 mobile app to make it incredibly easy to use 1.1.1.1 on your phone....

By

Irtefa

1.1.1.1 , Resolver , DNS , Privacy , Product News

August 21, 2018 10:58PM

Refresh Stale DNS Records on 1.1.1.1

You can now refresh 1.1.1.1’s DNS cache for domain names by using the purge cache tool. This is useful for domain owners who have updated their DNS records and want to make sure it is reflected for people who are using 1.1.1.1 as their public DNS resolver....

By

Irtefa

Resolver , 1.1.1.1 , DNS , Cache , Product News

August 16, 2018 4:01PM

Enable Private DNS with 1.1.1.1 on Android 9 Pie

Android 9 Pie includes a slew of new features around digital well-being and privacy. Here's how to use the new Private DNS feature with 1.1.1.1....

By

Stephen Pinkerton

1.1.1.1 , Resolver , IPv6 , DNS , TLS

July 25, 2018 4:00PM

1.1.1.1 for Your Organization

Our fast, privacy-centric 1.1.1.1 project can secure your users on the Internet, and you’ll always know that they’ll be the first to benefit from the work of Internet standards bodies like the IETF....

By

Stephen Pinkerton

1.1.1.1 , Resolver

July 14, 2018 6:13PM

DNS-Over-TLS Built-In & Enforced - 1.1.1.1 and the GL.iNet GL-AR750S

Back in April, I wrote about how it was possible to modify a router to encrypt DNS queries over TLS using Cloudflare's 1.1.1.1 DNS Resolver and a GL.iNet router; the folks at GL.iNet read that blog post and decided to bake DNS-Over-TLS support into their new router using the 1.1.1.1 resolver....

By

Junade Ali

1.1.1.1 , DNS , TLS , Privacy , Resolver

June 05, 2018 3:46PM

Introducing DNS Resolver for Tor

As was mentioned in the original 1.1.1.1 blog post, our policy is to never write client IP addresses to disk and wipe all logs within 24 hours. Still some folks might not want to reveal their IP address to the resolver at all. This is why we are launching a Tor hidden service for our resolver....

By

Mahrud Sayrafi

Crypto , 1.1.1.1 , Tor , Privacy , DNS

June 01, 2018 2:13AM

Today we mitigated 1.1.1.1

Cloudflare is protected from attacks by the Gatebot DDoS mitigation pipeline. Gatebot performs hundreds of mitigations a day, shielding our infrastructure and our customers from L3 and L7 attacks....

By

Marek Majkowski

Reliability , Post Mortem , Mitigation , 1.1.1.1 , DNS