What is a DNS Resource Record?

What is a DNS Resource Record?


A DNS Resource Record is a type of data found in the domain name system (DNS) that specifies the resource records for a particular domain and its subdomains. These records are analogous to the entries in the telephone directory that provide a compressed version of the information needed to contact people or organizations with dialed numbers.

A DNS Resource Record is made up of several component parts, each of which is described below: Owner A domain name (or IP address) where all subdomains are included with the record. TTL (Time To Live) Stands for “time to live”, which is how long a DNS server should wait before expiring this resource record and removing it from its cache. Class Identifies what type of DNS record; common types are A, NS, MX, PTR, CNAME, SOA RDATA Specific information about the resource, such as a domain name or an IP address.

What is a DNS Resource Record?

A DNS resource record is a type of data found in the Domain Name System. It contains information about what domain, subdomain, or name-server belongs to a particular host.

A DNS resource record is any one of many types of data contained in the Domain Name System (DNS) resource records. Altogether, these DNS records store all the information that allows a computer to connect to other computers on the Internet or on a private network. Each record contains specific information about what domain, subdomain, or name-server belongs to a particular host.

Why are they important?

A DNS server is a vital part of any organization’s IT infrastructure. It’s the gatekeeper between the internet and your business, it’s more than just a registrar for your domain names. It can provide redundant name resolution, load balancing, accelerated browsing speeds, and an array of other services.  This is where the DNS records come in.

A DNS Resource Record is a piece of data that describes which server handles email, web traffic, and other internet services on your domain. The most common type of resource record is an “A” record. An A record is basically just a hostname to IP address mapping, but there are many other records that are used to configure various services on your domain.

What are the different types of Resource Records?

There are two different types of Resource Records: Authority and Non-Authority.

Authority records are the ones that determine who is entitled to issue updates for a given zone. They usually contain contact information for the administrative authority of the domain they belong to. They indicate which servers are responsible for all of the records in a zone, and thus define what server should be contacted to update any of these records.

Non-Authority records, on the other hand, generally contain information about hosts in the domain they belong to.  They are usually found in the ‘host name’ section of a resource record. 

How to find them in your DNS settings?

If you want to know what a DNS resource record is, the easiest way to find it is in your DNS settings. In order to locate your DNS settings, you will need to check the area on your internet browser where your address bar is located. In Google Chrome, for example, it can be found in Settings -> Advanced Settings -> Network -> Change Connection’s DNS Settings.

1) Begin typing an address in the browser window and wait for autocomplete options to appear. Double click on “Location” in the list of suggestions.

2) Click through the tabs until you see “Show Advanced Settings”. Select that option and then scroll down until you see “Network”. Click on that tab and then click on the radio button next to “Change DNS Settings”.

3) Check the “Use the following DNS server addresses” box. Type or other preferred secondary DNS servers into one of the two boxes provided and then click on OK, followed by Close to finish up here.


DNS Resource Records are key to your website’s performance because they work as a “phone book” for the internet. These records help map domain names (e.g., Facebook) to IP addresses, which is how computers know where to find sites online. If these DNS settings aren’t accurate or your provider doesn’t offer good service, it can lead to problems like slow loading times and errors when browsing certain websites. With DNS Resource Records, you have a wide variety of options available to make sure your website is set up for success. For example, you could use A records to point a hostname (e.g., www) at an IP address or MX records to direct emails sent from your domain name to the correct location. There are several other DNS Resource Records you can use, and the right choice for your website will depend on what you want to accomplish.

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