Critical DNS

Free highly distributed and highly available secondary DNS infrastructure is available to open source projects, non-profits, ccTLDs, and other zones that benefit the internet community. [being rebuilt]

The mirrors project aims to replace the concept of local FTP and HTTP mirrors hosted on local networks with a more scalable system of caching proxies, similar to how modern CDNs operate. This allows network operators to no longer be bound by local storage limitations in the number of projects they can support, and increases the availability of critical downloads like security updates.

Conduct high volume scanning of the internet to identify security issues with global impact.


NTP Pool

Hosting over 40 anycasted DNS nodes for the NTP Pool project.



ntp.js is a library for developers of web based applications that will correct end users system clocks by querying a nearby server and calculating a local offset.


Network Honeypots

We announce a large number of networks via AS40138 as well as an additional shadow ASN that collect passive network traffic as well as operating active honeypots to collect attack data from the internet. This feed is shared with security groups worldwide.