How DNS TTL Works and Why It Matters When You Change Anything
TTL controls how long DNS responses get cached. Get it wrong and you are waiting hours for changes to take effect or hammering your DNS server needlessly.
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Guides, tutorials, and insights on web hosting, DNS, domains, and website infrastructure.
How to Properly Benchmark Your Website Speed (and What the Numbers Mean)
Running a speed test is easy. Understanding the results and knowing which numbers actually matter is harder. Here is how to do it right.
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Dedicated IP vs. Shared IP: Does Your Hosting IP Address Actually Matter
Most sites share an IP with hundreds of others. Here is when that matters, when it does not, and whether paying for a dedicated IP is worth it.
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How to Secure a New Domain: The Complete Post-Registration Checklist
Registering a domain is only the first step. This guide walks through every security measure you should apply immediately after registration, from WHOIS privacy to registrar lock.
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What is a TLD and How New Domain Extensions Changed the Internet
TLDs are the endings on domain names — .com, .org, .io. More than 1500 have been added since 2013. Here is what that means for domain registration.
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Reverse DNS Lookup: What It Is and Why Mail Servers Care About It
Forward DNS maps hostnames to IPs. Reverse DNS does the opposite — and it matters more than you think for email deliverability and server identity.
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What Is HTTP/2 and Why It Matters for Your Website
HTTP/2 is a major revision of the HTTP protocol that makes websites load faster through multiplexing, header compression, and server push. Here is what you need to know.
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What Does a Domain Registrar Actually Do (and Why It Matters Which One You Use)
Registrars are not all the same. Here is what they actually do, what to look for, and what happens if you pick the wrong one.
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How Email Routing Works: From Send Button to Inbox
Email feels instant and simple. Behind the scenes it involves DNS lookups, multiple servers, authentication checks, and spam scoring. Here is the full picture.
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