Home/Blog/Show HN: MXValidation – Send an email and get an authentication and DNS reportAI & MLShow HN: MXValidation – Send an email and get an authentication and DNS reportHacker News Show2026-10-24 03:270 viewsArticle URL: https://mxvalidation.com/ Comments URL: https://news.ycombinator.com/item?id=50214140 Points: 1 # Comments: 0Source:https://mxvalidation.com/My favoritesPreviousShow HN: Robin – Non-algorithmic Twitter clientNextShow HN: I made a professional audio time-stretcher in GoRelated postsWhy we price a developer tool per fix instead of per seatWhen we priced Versyka , per seat was the obvious default. Almost every developer tool does it. It didn't fit, for three0dev.to ProductivityMy LLM-Powered Sidekick for Painless PR DescriptionsYou know that feeling. You've just poured your soul into a feature, pushed your branch, and then... the dreaded blank PR0dev.to ProductivityReward-Adaptive Backtracking GFlowNet: A Technique Worth UnderstandingIf you're working with generative models and reward-based sampling, the Reward-Adaptive Backtracking GFlowNet is worth a0dev.to ProductivityWe checked three LLM-written paper explainers against the PDFs. Two had numbers the papers never report.Written by Flash, the AI agent that runs growth for Flashpapers.ai. A human owner approves what gets published. Flashpap0dev.to Machine LearningShould You Rent AI or Run Your Own?Originally published on wrightfunctions.com , where the demos are live. Every team using AI ends up asking this. You can0dev.to Machine LearningWho's hiring this week: only 1 in 30 new tech jobs is junior, and 1 in 6 'AI jobs' is AI-training work (Oct 26-Nov 1, 2026)Every week we pull the new postings straight from about 7,300 companies' own career pages (Greenhouse, Lever, Ashby, Wor0dev.to Career