Why does DNS use UDP?

DNS

There are various ways of sending data over IP – TCP, UDP, DCCP, SCTP, RSVP and more. We will focus our attention on the two that are...

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What is an SSL certificate and do we need it?

SSL Certificates

You have probably seen the “https” in most of the online shops like Amazon, eBay, and Alibaba. Or maybe a green lock icon just before...

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What is Sender Policy Framework, and how to setup SPF record?

DNS

Have you ever received complaining messages from your users about emails sent to them from your email server, without your knowledge? Or...

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8 DNS tools for testing your servers

DNS • One Comment

You are already a DNS user, and your server or website works great when you visit it from your computer. But that is not enough. You want...

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DNS best practices

DNS • One Comment

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What are 301 and 302 redirects and how to use them?

DNS, Web forwarding

Imagine, after a long time, you need to open a bookmark that you have more than a few years already. You try to open it, and…suddenly you...

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Why do we need Managed DNS?

DNS

DNS and why does it matter? DNS – domain name system is a marvelous invention. It makes it easy for all of us to enter our favorite...

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