Extended DNS Errors: Unlocking the Full Potential of DNS Troubleshooting
Yevheniya Nosyk
Based in Grenoble, France
I am a Cybersecurity Researcher at KOR Labs where I analyze all the aspects of the Domain Name System. I am particularly interested in RFC compliance, large-scale Internet measurements, and network security in general. Originally from academia, I enjoy discussing my research with the broader network operators community. More
• 7 min read
The Domain Name System (DNS) has traditionally relied on response codes to signal anomalies, but they are of little help to precisely identify the root causes behind failures. In this article, we examine the new Extended DNS Errors (EDE) mechanism that provides extra feedback on DNS resolutions.