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Carsten Strotmann

@cstrotm@mastodon.social
mastodon 4.6.0-nightly.2026-03-19

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

0 Followers
0 Following
Joined April 04, 2017
Topics:
DNS, IPv6, Free Software, Forth, Atari 8bit, Retro-Computing, Pen & Paper RPG
Github:
Https://github.com/cstrotm

Posts

cstrotm
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
Carsten Strotmann
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
@cstrotm@mastodon.social · 4d ago

And an update to the DNS-resolver checks script

https://github.com/cstrotm/dns-resolver-monitoring

#DNS #DNSSEC #monitoring

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cstrotm
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
Carsten Strotmann
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
@cstrotm@mastodon.social · 4d ago

Update for the DNS (zone/authoritative) monitoring test suite

https://github.com/cstrotm/dns-monitoring-scripts

#dns #dnssec #monitoring

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cstrotm
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
Carsten Strotmann
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
@cstrotm@mastodon.social · Mar 14, 2026

Vom 1.-3. Mai 2026 findet zum 24ten Mal das VCFe (Vintage Computer Festival Europe) in München statt.

Es wird tolle historische Rechner und interessante Vorträge geben. Wer hat noch eine interessante Hardware im Keller oder eine tolle Geschichte im Kopf, oder ein Retro-Computer Projekt zu zeigen?

Wir haben noch einige (wenige) Vortrags-Slots frei.

Bei Interesse meldet euch hier bei mir oder per E-Mail bei der Orga:
https://www.vcfe.org/D/Vortraege.html

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cstrotm
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
Carsten Strotmann
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
@cstrotm@mastodon.social · Mar 13, 2026

Does anyone run the YADIFA DNS Server (https://yadifa.eu/) in production? I would be interested in stories about this piece of open source software. How widespread is it deployed?

#DNS #dnsserver #Yadifa

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cstrotm
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
Carsten Strotmann
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
@cstrotm@mastodon.social · Mar 13, 2026

"Rundumschlag" über einige neue Entwicklungen rund um DNS, mein Vortrag letzte Woche bei der GUUG:

https://notes.defaultroutes.de/the-dns-they-are-changin.html

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cstrotm
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
Carsten Strotmann
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
@cstrotm@mastodon.social · Mar 13, 2026

Johannes Weber hat mit mir in seinem Podcast über DNS allgemein und DNS-over-HTTPS im Speziellen gesprochen. Das Ergebnis hört ihr hier https://securityasapodcast.de/podcast/05-doh-dns-over-https/

#podcast #DNS #DoH #dnsoverhttps

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cstrotm
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
Carsten Strotmann
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
@cstrotm@mastodon.social · Feb 20, 2026

Beetles Retro Dachboden: Foenix F256K unboxing

https://www.youtube.com/watch?v=Fewk8t4yAlg

#6502processor #65816processor #retrocomputing

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cstrotm
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
Carsten Strotmann
Carsten Strotmann
@cstrotm@mastodon.social

DNS, DHCP, IPv6, Retro-Computing, Prog-Lang-Geek, Forth

mastodon.social
@cstrotm@mastodon.social · Dec 18, 2025

@miek@mastodon.cloud TTL mismatch kills the redundancy. Here, after 300 seconds only the 2nd IP with TTL 86400 stays in the cache (for 86100 seconds).

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