If you know about DNS, you have probably heard of the Time-to-Live (TTL) field. But mistakes with TTL are more common than you might think. Here we look at the quirks of DNS record sets, parent/child domains and how to avoid TTL problems.
Network Time Security (NTS) adds a vital layer of security to Network Time Protocol (NTP) services. Having carried out our software implementation of NTS back in 2019, we recently implemented NTS at the hardware level.
A chain is not as strong as its weakest link, it can be much much stronger than that. In cybersecurity the art of building secure systems from insecure but diverse components is an important but often neglected topic; instead processes, rigidity and structure are generally seen as the only way to attain security. This blog examines how it is possible to attain secure systems or services through diversity.
Anycast DNS is used by the leading DNS providers to ensure DNS queries can always be answered as quickly as possible. But how does Anycast DNS actually work and why is it important for your domain?
In this industry Q&A, we talk with Job Snijders from the Route Server Support Foundation about the latest OpenBGPD developments and how these contribute to more stable and secure IX operations.
In this guest blog post Vesna Manojlovic, Community Builder at the RIPE NCC, looks at the impact the COVID-19 pandemic has had on technical communities. Using an ingenious analogy between the OSI model and Maslow’s hierarchy of needs, Vesna explores the various ways technical communities have promoted physical, emotional and mental health during the pandemic.
Over the last 25 years, Netnod has helped its customers provide the best services possible. We have done so by making important contributions to technical standards, policy development and Internet governance. In this blogpost, I will look at the role Netnod has played in shaping the Internet, representing our customers and working with the technical community to ensure a robust and well-functioning Internet for all.
The transformation of the energy sector seems to me one of the most interesting and important challenges facing society today. So in this industry Q&A, I talk with Tommy Wahlman, Programme Manager at the Swedish Energy Agency, about some of the drivers and technical challenges involved here. We look at the role of accurate time and frequency systems and how they are essential for the transition to a more renewable and decentralised energy model.
In this guest blog post Kjetil Otter Olsen, CEO of the Norwegian Internet Exchange (NIX), looks at the traffic growth in Norway over the last few years, the impact of COVID-19 on traffic patterns and the interconnection developments in Norway we can expect to see in the future.
