CVE-2021-25219

In BIND 9.3.0 - 9.11.35, 9.12.0 - 9.16.21, and versions 9.9.3-S1 - 9.11.35-S1 and 9.16.8-S1 - 9.16.21-S1 of BIND Supported Preview Edition, as well as release versions 9.17.0 - 9.17.18 of the BIND 9.17 development branch, exploitation of broken authoritative servers using a flaw in response...

Smart DNS: Delivering the Best Subscriber Experience

This is the second in a series of blog posts that discuss how smart DNS resolvers can enhance ongoing network transformation efforts such as the transition to 5G, better integration of Wi-Fi, and new network designs that optimize the edge to improve the subscriber experience, service delivery, an...

Innovation Driven by Operational Experience and Engineering Insight Deters NXNS Attacks

DNS and security have had a long and tangled relationship. The DNS has always been an attractive target since it's a network leverage point. At DNS OARC 30 in Bangkok in 2019, Akamai's Ralf Weber did a presentation called DNS Security: Past, Present, and Future It's Not Easy covering numerous DNS...