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DNS Monitoring

DNS Monitoring

Helps you monitor your DNS records to keep your website secure and up to date.

What is DNS?

DNS stands for Domain Name System, which is a system that translates human-readable website addresses (domain names) into IP addresses, which are used by computers to route traffic on the Internet.

For example, when you type in www.google.com  into your browser, it will look up this domain name in its DNS database and send your request to Google's servers.

DNS servers are located all over the world and are maintained by different organizations such as enterprise networks, ISP, and other groups of public or private persons.

How does DNS work?

Your computer has a "hostname" that's easy to remember, such as "google.com," but your computer can't communicate with other computers using only this name.

It also needs an IP address, which is a series of numbers separated by periods. Computers use IP addresses to route traffic between them.

DNS translates hostnames, which are easy for people to remember, into IP addresses, which computers use to communicate over the Internet.

It also translates subdomains into IP addresses for their respective domain names (e.g., "www" in the URL "www.google.com").

What are DNS records?

DNS records are the data that make up a DNS zone. Each domain has its own set of records, but there are some common ones that you'll see in most zones.

Here are some DNS record types you might encounter:

  • Address (A) Records: Maps an IP address to a name within the zone. If you have an A record for 'www' then it'll resolve to your server's IP address.
  • Mail Exchanger (MX) Records: Tells mail servers which server they should connect with when delivering email for your domain. You may have multiple MX records if you use multiple mail servers or if you have multiple domains pointing to a single mail server.
  • CNAME Records: This record represents an alias that points to another hostname or IP address on the Internet. For example, if you have a CNAME record set up for www, it will redirect traffic from http://www.example1.com/ to http://www.example2.com/.

Why you should monitor DNS records

DNS records are the building blocks of your website. They are the information that tells people where to find your site on the internet. If your DNS records are changed or deleted, visitors trying to reach your site could be sent to a different location or nowhere at all!

If you have an e-commerce site, it's important that you monitor your DNS records because they can be used to redirect visitors away from your store and toward another business. This is commonly known as phishing or pharming. You may have heard stories of people receiving emails asking them to update their account information and when they click on the link provided in the email, they are actually taken to another website.

Start monitoring your DNS records

If you don’t monitor DNS records, then you’re not monitoring the health and security of your website. DNS is one of the most common targets for attackers because it’s so easy to compromise.

You can use a free tool like MonSpark to keep an eye on your DNS records, so you'll always know when they've been changed.

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