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DNS

By Greg Nowak , 12 August, 2026

Cloudflare Changed DoH JSON. What Else Is Parsing DNS as Text?

Cloudflare’s DoH JSON change exposes brittle DNS parsing. Find affected scripts, test both formats, and choose a safer integration contract.

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By Greg Nowak , 14 May, 2026

Cloudflare’s Enforce DNS-Only Switch: Test Your Origin Before an Incident

Cloudflare’s account-wide DNS-only switch can bypass its proxy in an emergency. Test certificates, firewalls, capacity, and rollback before relying on it.

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By Greg Nowak , 5 November, 2021

Cloudflare API: Safer DNS Automation for Launches and Migrations

Use scoped Cloudflare API tokens, exact record checks, comments, exports, and reviewed changes to make DNS launches, migrations, and handovers safer.

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By Greg Nowak , 24 August, 2021

How to Flush the DNS Cache on Ubuntu—and Verify the Fix

Flush Ubuntu’s DNS cache safely, identify systemd-resolved, dnsmasq or nscd, and verify website, email or API cutovers end to end.

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By Greg Nowak , 28 January, 2021

How to Bulk Delete Cloudflare DNS Records Safely—Without Browser Console JavaScript

A safer way to bulk-delete Cloudflare DNS records using the dashboard or API, with backups, approval checks, controlled execution, and validation.

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Written recommendations from Trafik og Veje, Aarhus Municipality (2011) and AgroTech (2010) — read them on LinkedIn.

Illustrated infographic summarizing: From Supplier Invoice to Bookkeeping: AI with a Control Checkpoint

From Supplier Invoice to Bookkeeping: AI with a Control Checkpoint

2026-08-18

AI can reduce the work involved in processing supplier invoices, but reliable bookkeeping requires validation, duplicate checks, approval and a clear audit trail.

Illustrated infographic summarizing: Nginx 1.30 Changed the Upstream Defaults—Test Before You Upgrade

Nginx 1.30 Changed the Upstream Defaults—Test Before You Upgrade

2026-08-17

Nginx 1.30 defaults upstream proxying to HTTP/1.1 with keepalive enabled. Here is what to inspect, model and test before upgrading.

Illustrated infographic summarizing: OpenAI’s Assistants API Shuts Down in Ten Days. Is Your App Ready?

OpenAI’s Assistants API Shuts Down in Ten Days. Is Your App Ready?

2026-08-16

OpenAI’s Assistants API shuts down on August 26, 2026. Learn what to inventory, how to preserve state and how to cut over without breaking the product.

Illustrated infographic summarizing: WordPress 7.1 Forces the Editor Into an iframe—Test Your Custom Blocks

WordPress 7.1 Forces the Editor Into an iframe—Test Your Custom Blocks

2026-08-15

WordPress 7.1 removes the non-iframe editor fallback. Learn how to audit custom blocks, test real workflows and fix compatibility issues before launch.

Illustrated infographic summarizing: GitHub will stop sending jobs to stale self-hosted runners

GitHub will stop sending jobs to stale self-hosted runners

2026-08-14

GitHub starts enforcing runner versions on August 24, 2026. Audit and upgrade self-hosted runners before builds and deployments start stalling.

Illustrated infographic summarizing: Your AI Agent Has Shell Access. What Can It Reach?

Your AI Agent Has Shell Access. What Can It Reach?

2026-08-13

A practical guide to mapping what a shell-enabled AI agent can reach, then containing its access to files, credentials, networks, tools, and high-impact actions.

Illustrated infographic summarizing: Cloudflare Changed DoH JSON. What Else Is Parsing DNS as Text?

Cloudflare Changed DoH JSON. What Else Is Parsing DNS as Text?

2026-08-12

Cloudflare’s DoH JSON change exposes brittle DNS parsing. Find affected scripts, test both formats, and choose a safer integration contract.

Illustrated infographic summarizing: Your Website Can Answer Questions Now. Should It?

Your Website Can Answer Questions Now. Should It?

2026-08-11

NLWeb makes conversational website search practical to deploy. The real question is whether your content, users and team are ready to support it.

Illustrated infographic summarizing: AI Search Finally Has Reports. Now Connect Visibility to Revenue

AI Search Finally Has Reports. Now Connect Visibility to Revenue

2026-08-11

Google and Bing now expose first-party AI search data. The real task is connecting citations and impressions to analytics, CRM outcomes, and revenue.

Illustrated infographic summarizing: The Bot Passed Your CAPTCHA. What Did It Do Next?

The Bot Passed Your CAPTCHA. What Did It Do Next?

2026-08-11

Passing a challenge is only one signal. Session analysis, server-side validation and endpoint-specific controls help reduce bot abuse without blocking customers.