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In extreme network censorship environments, when all conventional VPN protocols (such as WireGuard, VLESS, or Shadowsocks) are accurately identified a…
This post was originally published on Techucation , my blog at malcolmlow.com. Cross-posted here for the dev.to community. My WordPress.com domain ren…
Pi-hole is a network-level ad and tracker blocking application that acts as a DNS sinkhole, returning a null address for known ad and tracking domains…
AdGuard Home is an open-source, network-wide ad and tracker blocking DNS server with a web dashboard, parental controls, and DNS-over-HTTPS/TLS suppor…
What ? Foghorn is a sender/listener pair that periodically sends UDP packets to a destination/subnet , and listens for any other utilities sending suc…
Your SPF record looks correct. You added the include values your email provider told you to add. You saved the record. Emails are still landing in spa…
Most domains have between six and ten security misconfigurations that their owners do not know about. Not because the owners are careless. Because DNS…
Your ISMS is certified. Your Statement of Applicability covers the controls. Your auditor arrives and runs a DNS lookup on your domain. dig _dmarc.you…
Your SOC2 audit window opens in three months. Your DMARC policy is p=none . Your auditor is going to flag it. Not because p=none is wrong as a startin…
You run the audit. The results come back. SPF: Fail . DMARC: Not configured . Blacklist status: Listed on 3 databases . You stare at the screen. The t…
The first time intodns-mcp saved me real time was on day one. Claude scanned a client's domain, listed seven concrete issues with citations to the liv…
So, you're self-hosting awesome apps like Jellyfin, Home Assistant, or your personal blog with Docker. You want that sweet, sweet HTTPS padlock for se…
SPF (Sender Policy Framework) is a DNS record that tells receiving mail servers which servers are allowed to send email on behalf of your domain. If a…
If you've ever tried to debug a DNSSEC misconfiguration using dig , you know the pain. You're staring at a wall of raw text, manually cross-referencin…
XTLS-Reality, XHTTP, Naiveproxy и всякие там AnyTLS - это не интересно. Давайте копнем чуть глубже и посмотрим, где прячется настоящее безумие. Особен…
Buying a domain is exciting. Creating a server is exciting too. But the moment you try to connect both of them, things can feel confusing. You bought …
On May 5, 2026, millions of .de domains became unreachable across large portions of the internet. The cause was not a cyberattack, not a cable cut, an…
Originally published on mailermonk.com . Cross-posted here for reach — the canonical version lives on MailerMonk. About this guide Zoho Mail is a budg…
Короткое описание, как я настраивал себе на Linux-машине роутер с пересылкой трафика в интернет, собственным DNS и DHCP. Простое и элегантное решение.…
Every time you type google.com into a browser, something remarkable happens in milliseconds — a global, distributed lookup system translates that huma…
DNS is the single point of failure that makes everyone in the house complain that "the internet is down" when, in reality, your DNS container just cra…