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April 01, 2018 1:02PM
Cloudflare hat sich der Mission verschrieben, das Internet zu verbessern. Heute freuen wir uns, mit der Einführung von 1.1.1.1 – dem schnellsten datenschutzorientierten DNS-Service für Endkunden – unserem ZIel einen Schritt näher zu sein....
January 01, 2017 10:40PM
At midnight UTC on New Year’s Day, deep inside Cloudflare’s custom RRDNS software, a number went negative when it should always have been, at worst, zero. A little later this negative value caused RRDNS to panic....
June 24, 2016 4:31PM
We launched DNSSEC late last year and are already signing 56.9 billion DNS record sets per day. At this scale, we care a great deal about compute cost....
January 19, 2016 6:19PM
The Go test coverage implementation is quite ingenious: when asked to, the Go compiler will preprocess the source so that when each code portion is executed a bit is set in a coverage bitmap....
October 29, 2015 9:26PM
Hi, I'm Filippo and today I managed to surprise myself! (And not in a good way.) I'm developing a new module ("filter" as we call them) for RRDNS, CloudFlare's Go DNS server....
August 06, 2015 1:40PM
Here at CloudFlare we are heavy users of the github.com/miekg/dns Go DNS library and we make sure to contribute to its development as much as possible. Therefore when Dmitry Vyukov published go-fuzz and started to uncover tens of bugs in the Go standard library, our task was clear....
August 03, 2015 11:26AM
CloudFlare’s DNS server, RRDNS, is entirely written in Go and typically runs tens of thousands goroutines. Since goroutines are cheap and Go I/O is blocking we run one goroutine per file descriptor we listen on and queue new packets for processing....
July 01, 2015 1:26PM
CloudFlare's DNS server, RRDNS, is written in Go and the DNS team used to generate a file called version.go in our Makefile. version.go looked something like this....
June 18, 2015 11:14AM
Something that often, uh... bugs Go developers is the lack of a proper debugger. Builds are ridiculously fast and easy, but sometimes it would be nice to just set a breakpoint and step through that endless if chain or print a bunch of values without recompiling ten times....
April 01, 2014 1:19AM
A cornerstone of CloudFlare's infrastructure is our ability to serve DNS requests quickly and handle DNS attacks. To do both those things we wrote our own authoritative DNS server called RRDNS in Go....
November 11, 2013 1:00AM
Almost two years ago CloudFlare started working with Go. What started as an experiment on one network and concurrency heavy project has turned into full, production use of Go for multiple services....
August 27, 2013 12:10AM
About a year ago, we realized that CloudFlare's current DNS infrastructure had some challenges. We were using PowerDNS, an open source DNS server that is popular with hosting providers....
January 07, 2013 5:38AM
CloudFlare runs one of the largest networks of DNS servers in the world. Over the last few months, we've invested in making our DNS as fast and responsive as possible. We were happy to see these efforts pay off in third-party DNS test results....
