DNS

Host Files: The Last Line of Defense When DNS Fails Article

Host Files: The Last Line of Defense When DNS Fails

Phil Dalrymple June 12, 2026

DNS is more reliable than ever — and it still fails. When it does, a properly maintained host file is often the difference between continued operations and a complete standstill. The 2025 AWS outage proved it.

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The Hidden Costs of Managing DNS Manually Article

The Hidden Costs of Managing DNS Manually

Gary Gillespie May 12, 2026

DNS management through provider portals is free in the same way that Notepad is free for writing a screenplay. The tool costs nothing. The inefficiency costs plenty.

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5 DNS Mistakes That Are Silently Killing Your Email Campaigns Article

5 DNS Mistakes That Are Silently Killing Your Email Campaigns

Gary Gillespie March 13, 2026

Your email platform tells you about delivery. It cannot tell you about the DNS configuration errors that happen before a single message is evaluated. Here are the five mistakes that silently send campaigns to spam.

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Differentiate Your MSP with Centralized DNS Configuration Management Article

Differentiate Your MSP with Centralized DNS Configuration Management

Gary Gillespie January 20, 2026

MSPs that centralize DNS across every client, with one audit trail and one dashboard, turn a background utility into a service clients will pay for directly.

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DNS Split Horizon - Navigating Internal vs External DNS Architecture Article

DNS Split Horizon - Navigating Internal vs External DNS Architecture

Phil Dalrymple September 24, 2025

DNS split horizon (also known as split-brain or split-view DNS) is a critical architectural pattern that allows organizations to present different DNS responses based on whether queries originate from internal or external networks…

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