Potaroo blog

The Root Key of the DNS rolled to a new key on the 11th October. This key roll is special as it sits at the apex of the DNS hierarchy, and DNSSEC-validating resolvers need to add this key to their local trusted key collection to continue to validate DNSSEC-signed responses. How well did we do in configuring our DNS resolvers to track this key roll?

These days there is a large volume of subsea communications cables, estimated at a total of some 1.5 million kilometres, used by 607 in-service submarine cable systems. They are not just important, but they are absolutely critical to the world's telecommunication service. If they are put out of service for any reason, then our inventory of satellite systems simply could not step...

This is an update to an article I posted in May of this year. As I write this, it's now the 8th October, and the Root Key of the DNS is scheduled to roll on the 11th October. The major addition to this update is a list of vulnerable ISP networks which are showing a KSK Sentinel signal that they have not added to their DNS resolver's trusted key set at the end of this article.

The current program of building AI infrastructure is not cheap. The projected infrastructure spend in the 7-year period from 2025 to 2032 is projected to be $10.3 trillion in the US alone. The average investment would be at a level of almost 4% of US GDP, larger than previous national landmark boom investments in rail, electrification, transportation and telecommunications infra...