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What is DNS Server? DNS stands for Domain Name System. This is actually a service that runs on all of our computers but majorly it runs the entire internet. We type a website in the browser and with the bling of our eyes the website is open. Have you ever wondered how does that happen? In today’s article, we will learn the process of how the website opens so fast and how DNS plays an important role in this process.

here arise the couple of problems when you concentrate on your blog comments. There are notorious bots out there that post spammy comments on your blog posts. The purpose of the spammy comments is to urge readers follow the links mentioned in the comment. Obviously, the links mentioned in the spammy comments are not at all beneficial but for a purpose of their own. Let’s say you get 100 comments each day and out of those comments, there are 20 spam comments. Although there is no fixed percentage of spam comments, it’s just an example. So think even if there are 20 spammy comments that are not filtered out, it’ll take too much time to manually read and delete them from your blog. And here is one more thing, once you’ve some spammy comments on your blog posts, there will be even more spammy comments on that specific post. So it is very important to block spammy comments.