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Max Resing @resingm.infosec.exchange.ap.brid.gy · 01/04/2026

Well, here's the first April's joke I found... punoqun.net/. Quite creative, well done! #DNS #Unbound #April1st #AprilFools

The unbound website, but all content is upside down. It matches the domain name `punoqun.net` which is also "unbound" but upside down.

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Max Resing @resingm.infosec.exchange.ap.brid.gy · 08/12/2025

A couple of weeks ago, a new domain name made it's appearance on the domain name ranking of #Cloudflare. Shortly later, the company redacted the name, to avoid promoting a #botnet. Recently, the domain name disappeared from Cloudflare's #Radar. A brief check […] [Original post on infosec.exchange]

A screenshot of Cloudflare Radar's top 100 domain names does not show a "redacted" domain name anymore. The domain name of a botnet disappeared.

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Max Resing @resingm.infosec.exchange.ap.brid.gy · 10/11/2025

Exploring some insights of the #DNS root servers, and I discovered this small bump of `NOTIMP` repsonse codes of `a.root-servers.net`, operated by #Verisign. I checked other server instances with public statistics, and also `k.root-servers.net`, operated by […] [Original post on infosec.exchange]

Screenshot of Verisign's statistics of DNS response codes of the `a.root-servers.net` servers. In December 2024, there was a noticable increase of `NOTIMPL` response codes.

Screenshot of RIPE's statistics of DNS response codes of the `k.root-servers.net` servers. In December 2024, there was a noticable increase of `REFUSED` response codes.

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Max Resing @resingm.infosec.exchange.ap.brid.gy · 27/10/2025

It looks like #Archlinux still observes operational impact of an ongoing #DDoS attack of some adversary. If I recall correctly, it was late August when they had the first issues. The Internet is really not kind to these benevolent folks spending hours and […] [Original post on infosec.exchange]

Screenshot of Arch Linux's status page, which shows the last downtime of the AUR and the Wiki was yesterday, October 26.

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Max Resing @resingm.infosec.exchange.ap.brid.gy · 20/10/2025

I remember the days, when the idea of #DNS4EU was introduced. It felt like a "response" from NextDNS to launch their own #European solution of a public resolver to get ahead of the launch of DNS4EU and acquire some of the market share. With that, they […] [Original post on infosec.exchange]

A screenshot of the announcement of the `dns0.eu` website. They justify the shutdown with unsustainability time and resource investments.

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Max Resing @resingm.infosec.exchange.ap.brid.gy · 04/09/2025

@jmeyer - Thanks Jérôme, I just read the tooltip on the page, as an example RIPE's `k.root-server.org` (screenshot). Hosting would make sense, since the majority of root server instances are likely hosted in commercial (Internet) DCs, I guess.

A screenshot of IPInfo's website of the `k.root-servers.org` server with the tooltip open to show a quick help on what the "Privacy" flag means.

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