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Topic: All APIs Domain Management Release Notes Security Subnets

August 19, 2022

A Network Administrator's Guide to SPF Records

Explore our comprehensive SPF Administration Guide to effectively manage SPF records, validate domain ownership, and prevent email spoofing. Learn best practices today.

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July 11, 2022

Using NetworkCalc's Free APIs

A straightforward guide for making the most out of NetworkCalc's free APIs.

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March 14, 2022

Release Notes - March 14, 2022

Release notes for the March 14, 2022 release of NetworkCalc.

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March 11, 2022

5 Common DNS Mistakes and How to Avoid Them

DNS is the cornerstone of your Internet service - learn how to avoid these 5 common DNS mistakes.

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January 17, 2022

Free Subnet Chart PDF and Online Calculator

This subnet chart is an essential reference for finding the number of hosts, subnet mask, and other subnet details.

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January 8, 2022

The Difference Between Subnets and VLANs

Understand the key differences between subnets and VLANs with this helpful guide. Improve your networking skills and optimize your network architecture.

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December 30, 2021

Domain Management Best Practices

The domains you own can quickly get out of control. Here are some best practice tips to help you manage your domain without breaking a sweat.

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December 22, 2021

Keep Your Devices Safe During the Holidays

Protect your devices during the holidays - from phones, to computers, to your personal information such as passwords and credit cards.

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December 6, 2021

Understanding CIDR Notation in IP Subnets

Get a clear understanding of CIDR subnet notation with this short guide. Learn everything you need to know about CIDR notation to improve your networking skills.

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