DNS

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 by Offering Robust DNS Configuration Management Article

Differentiate Your MSP by Offering Robust DNS Configuration Management

Gary Gillespie January 20, 2026

Standing out as a Managed Service Provider requires more than reliable support—it demands strategic differentiation that delivers measurable value to clients.

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The Critical Role of the Host File in Network Resilience Article

The Critical Role of the Host File in Network Resilience

Phil Dalrymple November 16, 2025

Host files serve as a critical failsafe mechanism that removes DNS as a single point of failure. Properly configured host files ensure access to critical infrastructure during DNS outages.

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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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