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DOH! DNS over HTTPS explained

DOH! DNS over HTTPS explained

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Geoff Huston

14 min read

If you had the opportunity to re-imagine the DNS, what might it look like? Normally this would be an idle topic of speculation over a beer or two, but maybe there’s a little more to the question these days. We are walking into an entirely new world of the DNS when we start to think about what exact…

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Gunfight at OK Corral: MPLS vs. Probing

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Benoit Donnet

10 min read

In this article, we investigate the various relationships between MPLS tunnels and standard probing techniques (i.e., ping and traceroute). We investigate several possible MPLS configurations and explain how they interact with measurement techniques. We also provide an external link to an online…

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How We Will Be Validating abuse-c

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Angela Dall'Ara

6 min read

At the RIPE NCC we’re busy working out a process so we can start validating approximately 70,000 abuse contact email addresses in the RIPE Database. Read on to see how we will approach this.

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Internet Atlas - Tools for Digital Literacy

Internet Atlas - Tools for Digital Literacy

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Andrej Petrovski

5 min read

Based on existing studies and research about the digital environment in Serbia, its legal and technical features, usage and habits among Internet users, the SHARE Foundation aims to produce tools and materials designed to inform, educate and encourage project target groups understand Internet infra…

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Clusters in the Expanse: Understanding and Unbiasing IPv6 Hitlists

Clusters in the Expanse: Understanding and Unbiasing IPv6 Hitlists

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Oliver Gasser

7 min read

Network measurements are an important tool in understanding the Internet. Due to the expanse of the IPv6 address space, exhaustive scans in IPv4 are not possible for IPv6. The best practice when conducting IPv6 measurements is to use so called IPv6 hitlists.

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Measuring Anycast DNS Services Using RIPE Atlas

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Kenneth Finnegan

12 min read

A step-by-step guide to how to use the RIPE Atlas measurements infrastructure to characterize the world-wide performance of Anycast DNS services.

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Measuring the KSK Roll

Measuring the KSK Roll

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Geoff Huston

23 min read

When viewed as a network infrastructure, looks can be very deceiving when looking at the DNS. It appears to be a simple collection of resolvers and servers. Clients pass their DNS name resolution queries to resolvers, who then identify and ask an appropriate authoritative name server to resolve …

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How to Survive Scheduled DNS Maintenance

How to Survive Scheduled DNS Maintenance

4 min read

DNS has been in use on the Internet for more than 30 years — now it is time for its worldwide maintenance that shall, for the first time in the existence of DNS, require coordinated actions from all operators of DNS servers and DNSSEC validators. What actions do you need to take to survive?

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20,000 Local Internet Registries - A Peek into the Future

20,000 Local Internet Registries - A Peek into the Future

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Rene Wilhelm

12 min read

On 25 September 2018, the RIPE NCC passed the milestone of 20,000 Local Internet Registries (LIRs). We look at what's happened since the previous milestone of 15,000 LIRs and share our thoughts about the future: how much time is left for the IPv4 pool, and what are the prospects for membership deve…

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Upstream Visibility: Monitor the Visibility of your Prefix

Upstream Visibility: Monitor the Visibility of your Prefix

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Massimo Candela

6 min read

Upstream Visibility is the new tool produced by the Computer Network Research Group of Roma Tre in collaboration with the RIPE NCC. It is a web application which proposes a concise way of visualising interdomain routing data of a specified prefix.

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