Measuring the practical effect of DNS root server instances: A China-wide case study
Guest Post: Many local root queries in China are turning to instances beyond the international gateway, despite there being 16 closer domestic instances.
Tag: DNS
Addressing the challenges of modern DNS
Guest Post: A comprehensive look at real world deployments and open challenges.
Industry, popularity effect if customers leave cloud providers following a DDoS attack outage
Guest Post: More popular websites are more likely to make changes to their name server records following a DDoS attack on their cloud provider.
Journeying into XDP: XDPerimenting with DNS telemetry
Guest Post: Learn how to plot graphs of DNS metrics without altering the DNS packets or touching the DNS software itself.
Unpacking zero-knowledge middleboxes
Guest Post: Zero-knowledge middleboxes let users encrypt their traffic while still enabling operators to enforce policies.
Unpacking RFC 9199: Considerations for large authoritative server operators
Guest Post: RFC 9199 presents considerations to improve the security, resilience, and performance for large authoritative DNS server operators.
Investigating DNS abuse in Japan
Guest Post: Two DNS-related incidents that we see a lot in Japan are phishing sites and domain hijackings.
Ferret: Automatically finding RFC compliance bugs in DNS nameservers
Guest Post: New open-source tool identifies 30 unique bugs across popular DNS implementations like Bind, Knot, NSD, and PowerDNS.
DNS abuse trends
Guest Post: Global sum of DNS abuse dropped in absolute terms and normalized rates, ICANN reports.
More mysterious DNS root query traffic from a large cloud/DNS operator
Guest Post: Learn how the team at Verisign solved the mysterious case of the Google’s prepending nonce labels.