Phil Dalrymple

Phil Dalrymple

Phil is a veteran IT operations leader with 40+ years of experience building and managing enterprise infrastructure. Passionate about software development, open source, automation, and delivering resilient, cost-effective systems.


Posted by Phil Dalrymple

The Critical Role of the Host File in Network Resilience Article

The Critical Role of the Host File in Network Resilience

Phil Dalrymple November 05, 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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Four Kinds of Identity - Why You Need Different Security for Different Reasons Article

Four Kinds of Identity - Why You Need Different Security for Different Reasons

Phil Dalrymple October 23, 2025

Why proving your identity to a bank teller requires different security than proving it to a computer system, and why both differ from how computers prove identity to each other. Discover the four distinct reasons we verify identity and why each demands its own approach…

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The Password Revolution - Why “Lucy in the sky with Rubies” is Safer Than “Tr0ub4dor&3” Article

The Password Revolution - Why “Lucy in the sky with Rubies” is Safer Than “Tr0ub4dor&3”

Phil Dalrymple October 08, 2025

The famous XKCD comic #936 changed how we think about passwords, and now government agencies agree: long passphrases beat complex passwords. Learn why “correct horse battery staple” is more secure than “Tr0ub4dor&3”…

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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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Mastering IPv6 Address Management: A Guide for Modern Networks Article

Mastering IPv6 Address Management: A Guide for Modern Networks

Phil Dalrymple September 09, 2025

IPv6 adoption is no longer optional. Learn how to effectively manage IPv6 address space, implement allocation strategies, and avoid common pitfalls in enterprise deployments.

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Why Good DNS Change Management Matters Article

Why Good DNS Change Management Matters

Phil Dalrymple August 21, 2025

Effective DNS change management prevents problems like downtime, security risks, or compliance issues, and provides a reliable environment for DNS control.

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Select a Product Below To Learn More

Select a Product Below To Learn More

Phil Dalrymple May 21, 2025

Explore the powerful features and seamless functionality of our software designed to elevate your productivity and streamline your workflow.

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The Advantages of AI in Software Development Article

The Advantages of AI in Software Development

Phil Dalrymple May 15, 2025

Artificial Intelligence (AI) is a transformative force actively reshaping industries, and software development is at the forefront of this revolution.

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Cut Costs and Improve Performance with a Unified IT Ops Platform Article

Cut Costs and Improve Performance with a Unified IT Ops Platform

Phil Dalrymple April 11, 2025

Modern IT environments are more dynamic and complex than ever. Between the explosion of cloud services, containerized applications, and an increasingly distributed workforce, IT leaders are under pressure…

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