𝗦𝗣𝗙 𝗵𝗮𝘀 𝗮 𝟭𝟬-𝗹𝗼𝗼𝗸𝘂𝗽 𝗹𝗶𝗺𝗶𝘁. 𝗠𝗼𝘀𝘁 𝗽𝗲𝗼𝗽𝗹𝗲 𝗳𝗶𝗻𝗱 𝗼𝘂𝘁 𝘁𝗵𝗲 𝗵𝗮𝗿𝗱 𝘄𝗮𝘆.
above 10 DNS the entire SPF check returns permerror
I see this constantly
A company adds a new ESP
their IT team appends another `include:`
and suddenly legitimate email bounces
The fix isn't removing services
It's flattening
resolving nested includes into direct IP ranges
The article shows a proof-of-concept where DOOM is stored across ~2,000 DNS TXT records and executed directly from memory. A PowerShell loader reconstructs the binary via DNS queries, illustrating how DNS can act as a covert payload delivery system.
Can It Resolve DOOM? Game Engine in 2k DNS Records
https://core-jmp.org/2026/03/can-it-resolve-doom-game-engine-in-2000-dns-records/
#HackerNews #CanItResolveDOOM #GameEngine #DNSRecords #GameDev #TechInnovation
The article shows a proof-of-concept where DOOM is stored across ~2,000 DNS TXT records and executed directly from memory. A PowerShell loader reconstructs the binary via DNS queries, illustrating how DNS can act as a covert payload delivery system.
Tom’s Hardware: Mad lad stores and loads Doom from within DNS — TXT record type abused to store game data. “Network administrators in the audience are advised to grab their unsee juice from the shelf, as today’s home project is quite the double-whammy. First, it involves everyone’s favorite problem child, DNS. Second, a madlad named Adam Rice has managed to put Doom in it. That’s a paragraph […]
https://rbfirehose.com/2026/03/26/toms-hardware-mad-lad-stores-and-loads-doom-from-within-dns-txt-record-type-abused-to-store-game-data/
Tom’s Hardware: Mad lad stores and loads Doom from within DNS — TXT record type abused to store game data. “Network administrators in the audience are advised to grab their unsee juice …
@bart heard me say when I moved my server that I didn’t really understand all of the DNS record stuff @tage told me to do. In this nerdier-than-usual Chit Chat Across the Pond, Bart explains all of it and teaches us about email sender validation. His explanation will help you to be able to send mail from your server that actually arrives at the intended inboxes.
In this rather propeller beanie episode of Chit Chat Across the Pond, Bart Busschots explains how to configure your DNS records on your server to ensure you can send email from your domain. Like I said, it’s nerdy, but we know a fair number of NosillaCastaways host their own servers and will enjoy learning how […]
Hardening My Domain Email with SPF, DKIM, DMARC
After spotting spoofed emails from my domain, I finally secured islandinthenet.com with SPF, DKIM, and DMARC.
Security Pattern: Email Spoofing Protection via DMARC, SPF, and DKIM
This post outlines a practical email security pattern using SPF, DKIM, and DMARC to stop spoofing and protect your domain’s reputation.
https://islandinthenet.com/security-pattern-email-spoofing-protection-via-dmarc-spf-and-dkim/
🌐 How to Add Your Domain to Blue Sky – Join the DNS Party!
Thinking about connecting your custom domain to Blue Sky? We’re talking DNS records over coffee ☕ and making the setup easier than ever!
Who’s in? Let’s do this together! 🎉
https://youtube.com/shorts/SZVByAQa1Ko
#BlueSky #DNSRecords #CustomDomains #TechTips #TechNews #AwesomeCast
MikroTik botnet uses misconfigured SPF DNS records to spread malware
https://www.bleepingcomputer.com/news/security/mikrotik-botnet-uses-misconfigured-spf-dns-records-to-spread-malware/
#Infosec #Security #Cybersecurity #CeptBiro #MikroTik #Botnet #SPF #DNSrecords #Malware
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