Migrating billions of records: moving our active DNS database while it’s in use
DNS records have moved to a new database, bringing improved performance and reliability to all customers.

DNS records have moved to a new database, bringing improved performance and reliability to all customers.
In response to customer demand, we now support the ability to DELETE, PATCH, PUT and POST multiple DNS records in a single API call, enabling more efficient and reliable zone management.
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
How we redesigned our DNS pipeline to significantly improve DNS propagation speed across all zones.
How we use gRPC in combination with Kubernetes to improve the performance and usability of internal APIs.
The goal of Cloudflare operated Secondary DNS is to allow our customers with custom DNS solutions, be it on-premise or some other DNS provider, to be able to take advantage of Cloudflare's DNS performance and more recently, through Secondary Override, our proxying and security capabilities too.
Secondary DNS Override is a great option for any users that want to take advantage of the Cloudflare network, without transferring all of their zones to Cloudflare DNS as a primary provider.