• Zonemaster validates reliably

    A comparative study between tools for validating the quality of DNS delegation shows that Zonemaster is a reliable and effective tool; ahead of alternatives like MXToolbox and NAST.

  • Time To Die for TTL

    Zone files contain an awful lot of TTL values, and sometimes it is good to take a step back to see if what you've set up is still meaningful. We took a deeper look at our TTL values and it seems an extreme TTL makeover is called for.

  • DNS' best friends

    Two informative days has gotten The Swedish Internet Foundation acquainted with open source hardware security modules developed by CrypTech.

  • Critical IT-services in focus at the DNS reference group

    Increased robustness for critical municipal IT-services to prepare them for a major crisis, an update on the root KSK rollover and insight into the DNS architecture of Facebook were some of the topics at DNS reference group meeting in May.

  • Monitoring of IIS Anycast

    In January 2017 The Swedish Internet Foundation started a new service "IIS Anycast". We offer our registrars a secondary DNS. We do this in cooperation with CIRA (the Canadian ccTLD Registry). Our secondary DNS is a DNS anycast network.

  • Summer fun with a DNS resolver

    On my way back home from the IETF93 meeting in Prague I decided to do a small summer project. For a long time I have wanted to run my own DNS resolver. Lately I had considered to run it on my Synology NAS. But my NAS is already stretched by all the applications running. So I decided to use one of my Raspberry Pi's to do the job. Now, after some runs of the washing machine, I am ready to go.

  • Meet our new tool - Zonemaster

    Together with colleagues at our French counterpart Afnic, we at The Swedish Internet Foundation have developed a continuation to DNSCheck. Zonemaster is a program that helps control how well the DNS service works for a domain.