Michael Hansen
@Michael_4N6
Cyber Security, Digital Forensics, email security expert. Posts about technology, security, DNS, and AI.
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Today I worked on a new feature and launched SPF Analyzer dnsai.com/spf-analyzer/ on DNSai.com
Working on UI redesign for my installable app. dnsai.com/dns-explorer/ Any thoughts or feedback on the app icon?
🚀 Discover DNS Explorer by DNSai — AI-powered DNS intelligence for IT & security teams. 🔹 Bulk DNS lookups at scale 🔹 SPF, DKIM, DMARC testing 🔹 Reverse DNS & reports Start Free Trial 👉 dnsai.com/dns-explorer/ #DNSai #EmailSecurity #DNS #OSINT
Too many security teams view DMARC as a checkbox. In reality, it’s a process that requires staged enforcement and ongoing monitoring. Start with p=none to publish a DMARC record and collect aggregate (rua) and forensic (ruf) reports. This visibility helps identify legitimate…
Most organizations don’t know or don’t care who is paying attention to their tech stack. We are paying attention to your tech stack, and tracking changes. DNSai.com What are you exposing that you don’t have to? #osint #EmailSecurity #cybersecurity #dfir #infosec
TXT records divulge and expose your tech stack. Clean up your records. Run a lookup on your domain and see what you are sharing DNSai.com
TXT records might not get much attention, but they’re foundational to how modern domains operate. They help verify domain ownership, support email authentication protocols like SPF, DKIM, and DMARC, and serve as a flexible way to store important metadata. If you’ve ever…
SPF, DKIM, and DMARC get all the attention in email security, but alignment is the critical fourth factor. Without proper alignment, authentication can still fail. Learn why it matters: dnsai.com/spf-dkim-dmarc/ #osint #CyberSecurity #email
DNSai.com provides intuitive AI assisted DNS queries. Understanding DNS records has never been easier. #infosecurity #dfir #CyberSecurity
I am going to ship a new homepage for my saas website this week. Still working to make my text content on point and on mission. Looking for feedback on design and formatting: dnsai.com/landing-page-4… Opinions on light vs. dark mode?
Pushed an update for DNSai.com Advanced Lookup UI results view has improved. SPF lookup count now calculates nested lookups and authorized sender counts. Advanced Lookup lookup.dnsai.com
Last week I pushed an update for DNSai.com My advanced DNS lookup module lookup.dnsai.com now provides an SPF inclusion and nested inclusion count. The DNS record results UI layout has also been improved.
Google & Yahoo forced bulk email senders to adopt Domain-based Message Authentication, Reporting, and Conformance (DMARC) standard 1 yr ago. But many of the same email phishing threats continue to thrive. What's going on: darkreading.com/remote-workfor…
🚨 Zero-Click Vulnerability Alert: Microsoft patched a critical zero-click RCE vulnerability in Windows OLE (CVE-2025-21298). 9.8 on CVSS and allows attackers to exploit systems with no user interaction. - Just previewing an email. Let’s break it down 🧵👇
Do you like EZTools? Do you like up to date runtimes? Well I have news for you... All EZ Tools are now available as net9 executables! Get-ZimmermanTools has been updated to support this, but net6 is still the default to give people time to transition. Within a few months, net9…
Weak passwords, password recycling, lack of MFA, and lack of protocol for identity confirmation for customers, partners, distributors, etc is what leads to compromising events. Even the best trained people will still make mistakes. They still need regular training and cyber…
Vendor due diligence has become a standard practice in cybersecurity, but it’s not living up to its promise. These programs are often more about checking compliance boxes than addressing real security risks. Vendors complete lengthy questionnaires with generic responses, giving…
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