https://cluster-site.onrender.com/tags/dns/ Recent content in Dns on Tenu Tech Brief Hugo -- 0.146.0 en-us Wed, 25 Feb 2026 07:59:07 +0000 https://cluster-site.onrender.com/posts/how-to-set-up-private-dns-mode-on-your-iphone-and-why-you-should-do-it-asap/ Mon, 23 Feb 2026 15:46:00 +0000 https://cluster-site.onrender.com/posts/how-to-set-up-private-dns-mode-on-your-iphone-and-why-you-should-do-it-asap/ • ‘ZDNET Recommends’: What exactly does it mean? • ZDNET’s recommendations are based on many hours of testing, research, and comparison shopping. • We gather data from the best ava https://cluster-site.onrender.com/posts/6-top-free-secure-dns-services-i-trust-and-why-i-always-encrypt-my-web-browsing/ Fri, 20 Feb 2026 15:16:00 +0000 https://cluster-site.onrender.com/posts/6-top-free-secure-dns-services-i-trust-and-why-i-always-encrypt-my-web-browsing/ • 6 top free secure DNS services I trust - and why I always encrypt my web browsing Follow ZDNET:Add us as a preferred sourceon Google ZDNET’s key takeaways Private DNS is a must t https://cluster-site.onrender.com/posts/why-i-always-encrypt-my-web-browsing-and-the-top-free-secure-dns-services-i-trust/ Thu, 19 Feb 2026 18:41:00 +0000 https://cluster-site.onrender.com/posts/why-i-always-encrypt-my-web-browsing-and-the-top-free-secure-dns-services-i-trust/ • Why I always encrypt my web browsing - and the top free secure DNS services I trust Follow ZDNET:Add us as a preferred sourceon Google ZDNET key takeaways Private DNS is a must t https://cluster-site.onrender.com/posts/dnssec-and-pqc-the-practical-impact-of-increased-tcp-in-dns/ Thu, 19 Feb 2026 00:23:39 +0000 https://cluster-site.onrender.com/posts/dnssec-and-pqc-the-practical-impact-of-increased-tcp-in-dns/ • To prepare for a future where powerful quantum computers exist, many systems using classical cryptography will need to migrate to Post-Quantum Cryptography (PQC). • One such syst https://cluster-site.onrender.com/posts/my-6-favorite-dns-services-and-why-theyre-a-must-for-security/ Wed, 18 Feb 2026 14:09:00 +0000 https://cluster-site.onrender.com/posts/my-6-favorite-dns-services-and-why-theyre-a-must-for-security/ • My 6 favorite DNS services - and why they’re a must for security Follow ZDNET:Add us as a preferred sourceon Google ZDNET key takeaways Private DNS is a must these days. • If you https://cluster-site.onrender.com/posts/clickfix-attacks-abuses-dns-lookup-command-to-deliver-modelorat/ Tue, 17 Feb 2026 21:01:02 +0000 https://cluster-site.onrender.com/posts/clickfix-attacks-abuses-dns-lookup-command-to-deliver-modelorat/ • ClickFix campaigns have adapted to the latest defenses with a new technique to trick users into infecting their own machines with malware. https://cluster-site.onrender.com/posts/clickfix-added-nslookup-commands-to-its-arsenal-for-downloading-rats/ Mon, 16 Feb 2026 13:09:37 +0000 https://cluster-site.onrender.com/posts/clickfix-added-nslookup-commands-to-its-arsenal-for-downloading-rats/ • ClickFix uses fake CAPTCHAs and bogus updates to trick users into executing malicious commands. • Traditional mshta and PowerShell vectors are blocked, so attackers shifted to ns https://cluster-site.onrender.com/posts/microsoft-warns-of-clickfix-attack-abusing-dns-lookups/ Mon, 16 Feb 2026 11:56:12 +0000 https://cluster-site.onrender.com/posts/microsoft-warns-of-clickfix-attack-abusing-dns-lookups/ • Microsoft has warned users that threat actors are leveraging a new variant of the ClickFix technique to deliver malware.TheClickFixattack method has been increasingly used in the https://cluster-site.onrender.com/posts/forward-to-hell-on-misusing-transparent-dns-forwarders-for-amplification-attacks/ Thu, 12 Feb 2026 04:35:00 +0000 https://cluster-site.onrender.com/posts/forward-to-hell-on-misusing-transparent-dns-forwarders-for-amplification-attacks/ • The Domain Name System (DNS) infrastructure is infamous for facilitating reflective amplification attacks. • Countermeasures such as server shielding, access control, rate limiti https://cluster-site.onrender.com/posts/on-misusing-transparent-dns-forwarders-for-amplification-attacks/ Thu, 12 Feb 2026 04:35:00 +0000 https://cluster-site.onrender.com/posts/on-misusing-transparent-dns-forwarders-for-amplification-attacks/ • The Domain Name System (DNS) infrastructure is infamous for facilitating reflective amplification attacks. • Countermeasures such as server shielding, access control, rate limiti https://cluster-site.onrender.com/posts/from-the-stupid-dns-tricks-department-ipasn.net/ Mon, 09 Feb 2026 04:40:06 +0000 https://cluster-site.onrender.com/posts/from-the-stupid-dns-tricks-department-ipasn.net/ • RIRs maintain databases mapping IPs and ASNs, queryable via whois. • Team Cymru offers DNS-based IP-to-ASN lookup, requiring reversed octets for queries. • IPv4 query example: di https://cluster-site.onrender.com/posts/dnssec-and-pqc-practical-impact-of-increased-tcp-in-dns/ Thu, 29 Jan 2026 11:42:53 +0000 https://cluster-site.onrender.com/posts/dnssec-and-pqc-practical-impact-of-increased-tcp-in-dns/ • PQC signatures far larger than ECDSA, causing DNSSEC responses to exceed UDP size limits. • Exceeding UDP limits forces more DNS queries to use TCP, increasing server load. • Rea https://cluster-site.onrender.com/posts/cable-cuts-storms-and-dns-a-look-at-internet-disruptions-in-q4-2025/ Mon, 26 Jan 2026 14:00:00 +0000 https://cluster-site.onrender.com/posts/cable-cuts-storms-and-dns-a-look-at-internet-disruptions-in-q4-2025/ • In 2025, we observed over 180 Internet disruptions spurred by a variety of causes â some were brief and partial, while others were complete outages lasting for days. • In the fou https://cluster-site.onrender.com/posts/announcing-rust-1.93.0/ Thu, 22 Jan 2026 00:00:00 +0000 https://cluster-site.onrender.com/posts/announcing-rust-1.93.0/ • Rust 1.93.0 released, bringing updated musl 1.2.5 for reliable static Linux binaries. • Updated musl improves DNS resolver, handling large records and recursive nameservers more https://cluster-site.onrender.com/posts/evasive-panda-apt-poisons-dns-requests-to-deliver-mgbot/ Wed, 24 Dec 2025 07:00:01 +0000 https://cluster-site.onrender.com/posts/evasive-panda-apt-poisons-dns-requests-to-deliver-mgbot/ • Introduction The Evasive Panda APT group (also known as Bronze Highland, Daggerfly, and StormBamboo) has been active since 2012, targeting multiple industries with sophisticated, https://cluster-site.onrender.com/posts/fast-flux-a-national-security-threat/ Tue, 01 Apr 2025 19:00:21 +0000 https://cluster-site.onrender.com/posts/fast-flux-a-national-security-threat/ • Fast flux hides malicious server locations by rapidly changing DNS records. • Enables cybercriminals and nation-state actors to evade detection and maintain C2. • Resilient, high