DNS over IPv6: Lessons from the field

We have learned some lessons in the field about DNS over IPv6.  The other day, one of our clients called us asking for help with their configurations. They were doing some lab testing while working on their annual upgrade of our software. To give you some background, our customers normally certify each upgrade they intend to use and they do extensive lab testing before they roll it out to their production DNS servers. Read more

DNS Diversity

Every DNS administrator knows that you need to configure at least two recursive or authoritative DNS servers so that you can still provide service in case one fails. Many administrators also know that these servers ideally should be located in different data centers and utilize different networks so that DNS service will not be interrupted in the event of a data center or network outage. Read more

FCC Recommends Code of Conduct for ISPs

In an earlier blog we mentioned the recommendations made by the CSRIC (Communications Security, Reliability and Interoperability Council), a Federal Advisory Committee for the Federal Communications Commission (FCC), to improve Internet safety. This is a set of industry-wide best practices for ISPs and other organizations that operate critical infrastructure. The voluntary best practices outlined in the recommendations are designed to address three main cyber-security issues facing commercial networks and the Internet: Read more