#DNS TXT records
14 related articles
·2 min
DNS Sale Record Proposal: Declaring Domain For-Sale Status via TXT Records
A new proposal suggests declaring domain for-sale status via DNS TXT records, enabling machine-readable domain trade information. This article analyzes its technical implementation, market impact, and risks.
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·3 min
SPF, DKIM, and DMARC Explained: A Complete Guide to Email Authentication Configuration
A detailed guide to SPF, DKIM, and DMARC email authentication mechanisms—covering how they work, configuration methods, and how they complement each other to improve deliverability and prevent phishing.
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·3 min
AI Crawlers Crash Gentoo Bugzilla: Open-Source Infrastructure Faces a Data Plundering Crisis
Gentoo's official Bugzilla was forced offline by AI crawler overload, exposing the data plundering crisis facing open-source infrastructure in the AI era.
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·3 min
Practical Guide to Self-Hosted Security Architecture with Tailscale + Caddy + Authelia
Deep dive into the Tailscale + Caddy + Authelia self-hosted security architecture: traffic flow analysis, design strengths, and common pitfalls for building secure multi-server setups.
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·4 min
Guide to Securely Exposing Self-Hosted Services: From Tailscale to Defense in Depth
Complete guide to securely exposing self-hosted services: Tailscale zero-exposure, reverse proxy setup, Cloudflare Tunnel, Authelia auth gateway, server hardening, and 3-2-1 backup strategy.
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·3 min
13 Years After DMARC: Why 68.4% of Domains Still Don't Enforce Email Authentication
13 years after DMARC's release, 68.4% of domains still haven't set policies to quarantine or reject. This article analyzes DMARC deployment status, why adoption is slow, and the path from p=none to p=reject.
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·3 min
NetBird + Caddy: Remote Access Without Exposing Public Ports
Learn how to use NetBird WireGuard mesh networking with Caddy reverse proxy for homelab remote access without exposing public ports. Covers Split DNS, TLS certificates, and ACL controls.
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·3 min
How to Assemble a Modern Email System with Off-the-Shelf Components: A Modular Architecture Guide
Learn how to assemble a modern email system using off-the-shelf services like Postmark, SendGrid, and Amazon SES, covering sending, receiving, authentication, and trade-offs around vendor lock-in and cost.
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·4 min
Self-Hosted Service Domain Resolution in Practice: A Deep Dive into Split DNS and Tailscale Solutions
A deep dive into domain resolution challenges for self-hosted home servers, covering Split DNS concepts and how Tailscale App Connector enables unified domain access across internal and external networks.
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·4 min
Google Search Console's New Feature: Track Cross-Platform Search Traffic from Instagram and YouTube
Google Search Console's new "platform properties" feature lets creators track which Google search terms drive traffic to Instagram, YouTube, and other social accounts — no standalone website required.
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Why DMARC's NP Tag Conflicts with DNSSEC
·3 min
Why DMARC's NP Tag Conflicts with DNSSEC
DMARC's np tag defends against non-existent subdomain spoofing, but may conflict with DNSSEC's denial-of-existence mechanism. Learn the root cause, real-world impact, and mitigation strategies.
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·2 min
AI Coding Assistants Become New Attack Targets: DNS Covert Channels Used to Steal Developer Credentials
Researchers reveal attacks targeting AI coding assistants like Claude Code: malicious setup scripts use DNS covert channels to steal API keys, bypassing static scans.
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·7 min
Linked Context: How AI Agent Skills Can Point to the Entire Open Web
Deep dive into Skill Studio's "Linked Context" mechanism—skill files become real-time URL fetches instead of pre-loaded copies, extending AI Agent progressive disclosure to the entire open web.
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Tutorials·2 min
Claude Code DevOps in Practice: Linux VPS Deployment and Infrastructure Automation
A detailed guide on Claude Code for DevOps: Linux VPS secure deployment, permission isolation, Shell automation workflows, and full-stack production deployment from DNS to NGINX and HTTPS.
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