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Sebastian Castro @secastro

Internet Technologist, DNS Geek, Data Scientist, Internet Researcher, Photographer, Father, Husband, Traveler, Learner 🇨🇱 🇳🇿

Joined June 2010
  • Tweets 8,130
  • Following 481
  • Followers 882
535 Photos and videos
Algun diario en Chile que explique, sin sesgo politico, que chucha paso con el corte de luz en Chile? @chidalgo @chanolio
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Seeing double Geoff! The fun of remote recorded presentations at #RIPE89
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Thomas Daniels from @DNSBelgium presents at the #RIPE89 Plenary joint work with @sidnlabs @dot_ie @GSmaragdakis on Phishing at the ccTLD level
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When the speaker at #RIPE89 greets the plenary in Te Reo Maori, Richard Patterson from Sky. Kia Ora!
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We worked really hard on this, and it’s a great result. And Georgios doesn’t know my Twitter handle 😂
Georgios Smaragdakis@GSmaragdakis
3 Sep 2024
🔬💻Our new anti-phishing security study, a collaboration of @SIDN, @dot_ie, @DNSBelgium, @tudelft, @KU_Leuven, U. Twente & @UGrenobleAlpes, provides new insights on fighting 🎣🇳🇱🇮🇪🇧🇪 📄gsmaragd.github.io/publicati… @TheOfficialACM #CCS2024 @EU_Commission #SafeHorizon @CyberSecTUDelft
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When the stenographer writes "I can't understand it" on the transcription. Packet loss, non-native English speaker and noisy microphone ensure chaos #RIPE88 #MATWG
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Who is writing a plugin for Excel to monitor networks? #RIPE88 #networktools
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Sebastian Castro retweeted
「𝗠𝗮𝗿𝗰𝗼」🐕🚶🏼@marcodavids
18 Mar 2024
Cloudflare loses 22% of its domains in Freenom .tk shutdown: netcraft.com/blog/cloudflare…

Cloudflare loses 22% of its domains in Freenom .tk shutdown | Netcraft

A staggering 12.6 million domains on TLDs controlled by Freenom (.tk, .cf and .gq) have been shut down and no longer resolve, leading to a significant reduc ...

netcraft.com
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Look @flavioluciani81 your BGP book made it to @dot_ie @dot_IE_Tech headquarters, courtesy of @ComePeerWithMe thanks a lot! #DNS #BGP #InternetCore
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Well, I did some work. Light read for the end of the year if you are into #domains #DNS
.ie
@dot_ie
15 Dec 2023
Delighted to announce the release of our newest blog: "Changes in Registration patterns." by @secastro, .IE's Lead Data Scientist.🌐 Explore the nuanced changes in domain registrations within the .ie domain space, shedding light on evolving trends. 🔍 bit.ly/3GFCt2h
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Felipe Agnelli Barbosa from @InternetNZ reports on the DNSSEC incident affecting .nz domains earlier this year #OARC41 #lovedns
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Geoff Huston is slowly pulling apart the argument for a DNS4EU resolver based on APNIC measurements at the #DNS WG #RIPE86
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Sebastian Castro retweeted
Jerry Lundström - @jelu@mastodon.social@lundstromjerry
24 May 2023
Tune in tomorrow, Thu 25 May, at 09:00 CEST for the DNS-WG at #RIPE86! Last up will be a short update about the projects at #DNSHackathon2023 one demo! Hosts: @dnsoarc @netnod @ripencc Sponsors: @SIDN @NLnetLabs @ISCdotORG @gcore_official @ICANN ripe86.ripe.net/programme/me…
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Feeling so old, when a young student talks to you and says “you wrote that paper about the root servers” FIFTEEN YEARS AGO #DNS #RIPE86
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Hey @VirginMediaIE your customer portal is broken, it doesn’t load in any browser. This is the view from my phone.
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Well, it’s official. Left NZ behind and moved to Dublin, Ireland to work on site for @dot_IE_Tech #dns #digitalnomad #NewLifeBegins
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Going the tourist thing, enjoying Welly on a good day. With two weeks to go, what a better way to say goodbye #wellington #travelphotography #newadventures instagram.com/p/Cm5GHP3B1bP/…

Sebastian Castro (@seb_el_geek) • Instagram photos and videos

instagram.com
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Best wishes of a great 2023 everybody #NewYear2023
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When you undo your home network, to discover you need around 20 Ethernet ports to have everything connected. #leavinghome #networkNerd
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Sebastian Castro retweeted
Dr Robert Bohan
@RobertBohan
29 Oct 2022
Thread: Halloween, as the world knows it, is an Irish invention from ancient Irish-Celtic roots. It’s correct name is Samhain & marks the end of the Harvest. It was culturally appropriated by the Christian Church as All Hallows’ Eve. Here’s an overview. #Samhain
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