IP fragmentation and the DNS — Vulnerable DNS servers
Guest Post: One in seven authoritative DNS servers found to be vulnerable to ICMP-based MTU spoofing attacks.
Tag: DNS
Address space fragmentation
Is the Internet’s address space already fragmented? The answer is not straightforward.
IP fragmentation and the DNS — the state of IP fragmentation
Guest Post: 0.1% of DNS traffic is fragmented, almost all of which comes from DNSSEC signed domains.
Internet Edge IP SLA deep dive
Guest Post: The Internet Protocol Service Level Agreement feature can help monitor the reliability of your ISP’s service.
DoH, DoT, and plain old DNS
To what extent have these encrypted DNS technologies been taken up in the public Internet?
The DNS and Internet fragmentation
Guest Post: Unfortunately for the entire DNS industry, DNS resolution offers a good (or the least bad) control point for the enforcement of national regulation.
Tackling DNS abuse through education, collaboration and innovation
Guest Post: The DNS Abuse Institute seeks to tackle the complex global issue of DNS abuse and make the Internet safer.
DNSSEC validation: Performance killer?
Guest Post: Are computer resources handicapped by DNSSEC validation?
UDP-based amplification — the dangerous DDoS attack vector
Guest Post: Learn how to save time and money by protecting against UDP flood DoS attacks.
One in eight DNS A queries, two in three AAAA fail in the wild
Guest Post: Around 20% of resolvers almost never succeed in resolving AAAA queries.