Stop spoofed traffic at the door: Destination-side SAV
Guest Post: Roughly half of all ASes fail to filter for spoofed traffic as it enters their network border. A new tool helps admins test their own network in real time.
Tag: DNS
Notes from DNS-OARC 34
Geoff Huston shares his thoughts from the recent DNS-OARC 34.
DoH the right thing
Opinion: The NSA recently issued some advice on DoH. It wasn’t necessarily bad advice, but it was not well received.
How Chromium reduced Root DNS traffic
Guest Post: Chromium is driving a reduction in DNS root server traffic. Let’s put some numbers to it.
Reduce requests to critical DNS zones with LocalRoot
Guest Post: When an authoritative DNS name server is temporarily unavailable, the ISP cache helps ride out the DNS bumps. Why not pre-cache important information with LocalRoot?
Whac-A-Mole: Six years of DNS spoofing
Guest post: Where does DNS spoofing occur? How often? Is it increasing? Researchers examined six years of data to find out.
New tool to sniff out DNS usage
Guest post: A new tool that uses DNS cache snooping on public DNS resolvers to measure the prevalence of rare applications and domains on the Internet.
Three of the best: Geoff Huston
Geoff Huston had some great posts published in 2020. Check out his insights into the DNS and all things Internet.
The challenges of operating a root name server
Guest Post: There are 13 root servers around the world and they’re crucial to running the DNS. So what does it take to run one?
First M-Root anycast instance deployed under new MoU
The first of a series of new M-Root anycast instances has been deployed as part of an agreement between APNIC, WIDE and JPRS.