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The Ask Mr. DNS Podcast

Matt Larson and Cricket Liu expound on DNS and other topics

Weekly hand curated podcast episodes for learning

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The best episodes ranked using user listens.

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Episode 53

This isn’t exactly an episode, but Matt and Cricket recently recorded a short promo for Infoblox’s DNS Awareness Day campaign, and they decided to keep recording because Cricket wanted to hear about the recent DNSSEC Key Ceremony, in which Matt had served as the Ceremony Administrator.  So if you’re curious about how new root keys are generated and the sort of security that’s involved, tune in! Oh, and there’s video, for the first time!

14mins

21 Oct 2017

Rank #1

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Episode 56

We’re back with an emergency episode published just in time to inform your frantic preparations for DNS Flag Day on 1 February 2019. We’re delighted to welcome another special guest, Petr Špaček from CZ.NIC, to fill us in and let us know if we should stockpile food for an impending Internet collapse and the ensuing end of civilization as we know it. Or maybe it’s just the story of a few DNS developers whose patience has finally run out. Then Matt recommends the Netflix show Babylon Berlin, and Cricket and Matt lament their years-long study of German with not nearly as much to show for it as we’d like.

30mins

21 Jan 2019

Rank #2

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Episode 55

We’re back after our longest hiatus yet. Alas, the mail bag was empty, so instead we invited special guest Paul Hoffman to talk about DNS over HTTPS (DoH), which has generated some buzz in the DNS community (to the extent that anything can generate buzz in the DNS community). We end with our usual pop culture consumption recap, this time focusing on what we’ve read recently (science fiction, unsurprisingly) and what shows we’ve watched in this new Golden Age of Television.

43mins

20 Dec 2018

Rank #3

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Episode 61

In this episode, Matt and Cricket are joined by Kim Davies of ICANN and PTI (you’ll have to tune in to find out what that stands for).  Kim edifies us on key ceremonies and the Herculean efforts required to keep a key ceremony secure and transparent during what Matt referred to as a “global pandemic,” immediately regretting his use of the redundant phrase.  Later, Cricket is embarrassed to learn that Matt has already read both of the new books he’s reading (John Scalzi’s “The Last Emperox” and Martha Wells’s latest in the Murderbot series, “Network Effect“), and Kim laments that the end of business travel leaves him with no time to watch anything.  Oh, and the guys (or Matt, really) answer a really good question from Swapneel Patnekar about an ICANN paper on the effects of COVID-19 on the root name servers. If you’ve already listened to the episode and are interested in the resources Kim referred to, here are the links: Attending a ceremony. Volunteering to be a Trusted Community Representative. ICANN’s blog post on the COVID-19-impacted ceremony.

44mins

14 May 2020

Rank #4

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Episode 60

We’re back with special guest Joe Abley, CTO of PIR, the registry for .ORG. We talk DNSSEC, research ideas, and more. Sadly, the mail bag was empty, but we still found more to talk about: DNS Flag Day 2020 is proposed to reduce fragmentation of DNS messages sent over UDP. Then Admiral Picard made an appearance, or was at least discussed. Finally, we urgently request your DNS questions at mrdns@ask-mrdns.com to fill the mail bag!

40mins

9 Mar 2020

Rank #5