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SPF Record Syntax: Mechanisms, Qualifiers, Modifiers, and Macros

https://dmarcguard.io/blog/spf-record-syntax/

12•meysamazad•1h ago

Comments

dan_sbl•26m ago

> SPF record syntax follows one shape:

The first six words do not scream "human written" to me.

ksajadi•11m ago

That’s obvious. But a genuine question: why does it matter? This seems to be a detailed reference document for a very technical purpose (and SEO juice for the company I guess).

ddevnyc•4m ago

The overall structure of the document is no different than any other tech reference or RFC that I've read over the decades

Show HN: Jeffy Loop, an autonomous code improvement loop for Claude Code

https://github.com/lenamonj/jeffy-loop

1•lenamonj•26s ago•0 comments

DIY Adjustable Projector Stand

https://arun.is/blog/projector-stand/

1•surprisetalk•55s ago•0 comments

How Does the Qatar-Donated Air Force One Compare with Other Presidential Jets?

https://www.wsj.com/politics/national-security/how-does-the-qatar-donated-air-force-one-compare-w...

1•thm•1m ago•0 comments

Seven books I keep close because I love them

https://blog.plover.com/book/elbow-shelf.html

1•Brajeshwar•4m ago•0 comments

The Deleted Face: Why Facial Recognition Must Erase You First

https://smarterarticles.co.uk/the-deleted-face-why-facial-recognition-must-erase-you-first

1•dxs•5m ago•0 comments

Text and Test Anything Protocol

http://dtap.sparrowhub.io/doc/README

1•melezhik•6m ago•0 comments

The Mental Models I Use to Work with AI

https://metedata.substack.com/p/015-the-mental-models-i-use-to-work

1•young_mete•7m ago•0 comments

Fix Your Analog Life First

https://katherinemartinko.substack.com/p/fix-your-analog-life-first

1•speckx•7m ago•0 comments

Quantization hurts knowledge nonlinearly – Qwen3.6 27B case study

https://quesma.com/blog/quantization-hurts-knowledge/

1•stared•7m ago•0 comments

WAN 3.0 Deep Dive: Video Model Evolution from Open-Source Breakthrough

https://wan3video.art/blog/wan-3-0-deep-dive

2•wangneo276•9m ago•0 comments

How the heck do you catch a fly ball?

https://perthirtysix.com/how-the-heck-do-you-catch-a-fly-ball

1•robmoore•9m ago•0 comments

Europe opens bidding for seven AI 'gigafactories' in a €30B bid to catch up

https://thenextweb.com/news/eu-ai-gigafactories-call-30bn

1•doener•10m ago•0 comments

Show HN: Lunar, a "fast", memory-efficient Lua 5.1 VM written in Go

https://github.com/mmcdole/lunar

2•drakenot•12m ago•1 comments

My Personal Software Journey: Self-Hosting Agent-Built Apps

https://metedata.substack.com/p/016-my-personal-software-journey

2•young_mete•12m ago•0 comments

Why does Mail app contact iCloud when sending a non-iCloud email?

https://lapcatsoftware.com/articles/2026/8/2.html

2•cdrnsf•12m ago•0 comments

NASA's New 3D Model Shows the Earth Is a Lumpy Mess

https://www.wired.com/story/nasas-new-3d-model-shows-lumpy-earth/

1•haritha-j•12m ago•0 comments

Google plans to exempt sanctioned nations from Android developer verification

https://arstechnica.com/gadgets/2026/07/google-plans-to-exempt-sanctioned-nations-from-android-de...

2•nostrademons•14m ago•0 comments

IBM: Three Demonstrations Prove Quantum Advantage Has Been Reached

https://www.nextplatform.com/compute/2026/07/31/ibm-three-demonstrations-prove-quantum-advantage-...

1•rbanffy•14m ago•0 comments

A 21-hour dip could help explain Tabby's star's decade-long dimming mystery

https://phys.org/news/2026-07-hour-dip-tabby-star-decade.html

1•rbanffy•15m ago•0 comments

Restoring the Java Ring on a Japanese TV Show [video]

https://www.youtube.com/watch?v=LF5PrzP9YTs

1•kidmin•15m ago•0 comments

Show HN: jit - just-in-time secrets for your Mac, gated by Touch ID

https://github.com/jitpass/jit

1•bukershok•16m ago•1 comments

Sovereign Tech Fellowship for Rust Maintenance (June-July 2026 Report)

https://kobzol.github.io/rust/2026/08/03/stf-june-july-2026.html

1•Tomte•17m ago•0 comments

Dbctl – a terminal-native DB client with built-in SSH/SSM tunneling

https://github.com/stivio00/dbctl

1•stivio00•18m ago•0 comments

Transfer Files with QR Codes

https://decimen.app/

1•ramsj•20m ago•0 comments

Hank Green apologizes for relying too heavily on ChatGPT

https://mashable.com/life/hank-green-chatgpt-ai-apology

1•bjourne•20m ago•0 comments

Google Chrome may soon block New Tab hijacker extensions by default

https://www.bleepingcomputer.com/news/google/google-chrome-may-soon-block-new-tab-hijacker-extens...

2•Brajeshwar•20m ago•0 comments

3.2-Gigapixel LSST Camera Captures over Half a Million Galaxies

https://petapixel.com/2026/08/02/3-2-gigapixel-lsst-camera-captures-over-half-a-million-galaxies/

2•larodi•20m ago•1 comments

eek! it's a tiny rust LLM proxy in ~1k loc

https://github.com/Liana64/eek

1•saidarembrace•21m ago•1 comments

A quine in Piet – a GIF image that prints itself [video]

https://www.youtube.com/watch?v=GwMtzhjCzyc

1•surprisetalk•21m ago•0 comments

DARPA Lift Challenge – Aug 3 – Main Broadcast [video]

https://www.youtube.com/watch?v=KEGWvve7rls

1•stefan_•22m ago•0 comments