The Story behind 4.2.2.2
https://web.archive.org/web/20130215021006/https://www.tummy.com/articles/famous-dns-server/ Chances are that if you’re a network operator you know the IP address 4.2.2.2. It’s an easy to type and easy to remember address, which since 1998 has been a “beefy” DNS service responding to the public Internet. Since …
DNSSEC Key Ceremony #27
Want to really geek out on one of the fundamental cornerstone of the Internet? Watch this video. https://www.youtube.com/watch?v=FbzJgsXAW3o I can’t embed the video as they have turned off that feature.
Packets Down Range #31: Hedge Podcast, Microsoft, Cisco, Arista.
It’s been a busy almost spring so far. One of the highlights of the past few months was being invited to do a Hedge Podcast with Russ White and Tom Ammon. It was a great time. We talked about the …
Why ISPs Should Totally Rely on Google and CloudFlare for DNS (Wink)
Guest Post From Glenn Kelley at Connectivity Engineer “Why ISPs Should Totally Rely on Google and CloudFlare for DNS (Wink, Wink)” Alright, folks, gather round as we explore the hilariously absurd notion that Internet Service Providers (ISPs) should shirk their …
If you are an ISP, run your own DNS resolvers
Glenn Kelley has a great article on spinning up your own DNS resolvers. This is a critical piece of infrastructure if you are in internet Service Provider (ISP). https://www.linkedin.com/pulse/making-dns-server-your-network-uses-root-hints-glenn-kelley As Glenn writes. Here’s why ISPs should consider running their own: …
How does the Domain Name System (DNS) works?
Over the years, I have written articles on Domain Name System (DNS) and how and why you should do certain things. I came across this DNS graphic this morning. Image Credit: @Rapid_API As you can see, a never-before-seen DNS request …
DNS Reaper tool
DNS Reaper is yet another sub-domain takeover tool, but with an emphasis on accuracy, speed and the number of signatures in our arsenal! We can scan around 50 subdomains per second, testing each one with over 50 takeover signatures. This …
DNS in ISP networks and why you should care
If you are not familiar with how DNS works, please go and read this article and watch the accompanying video. In this article we will talk about the different types of DNS servers an ISP will encounter and the design …
DNS shotgun for DNS testing
DNS Shotgun is capable of simulating real client behaviour by replaying captured traffic over selected protocol(s). The timing of original queries as well as their content is kept intact. https://dns-shotgun.readthedocs.io/en/stable/key-concepts/
The BrothersWisp Podcast
Finally had some time to contribute to another podcast I am a part of. http://thebrotherswisp.com/index.php/the-brothers-wisp-115-wisp-after-death-unifi-video-eol-rpki-basics/ This week we talk about:WISP Virtual Summit July 28thSave Dave’s brainRIP Ubiquiti Unifi Video – EOL 1/1/2021zwift.comCloudflare DNS outageDavid – Arduino, PHP programming, cycling and …