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What is a DNS record and its types?

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What is a DNS record and its types?


DNS records are databases that map URLs to IP addresses in a human-friendly manner,


This article will discuss the overview of DNS records and their types.


What is a DNS record?



A DNS record (aka zone file) combines instructions and data stored in authoritative DNS servers. It allows them to provide information about a domain, such as what IP addresses are associated with it and how to handle DNS requests. A DNS record consists of a series of text files that are written using a syntax known as DNS syntax.

DNS syntax is a series of characters that tells the DNS server how to act. A DNS record called a TTL, or time-to-live indicates how often a DNS server refreshes that record.


1. A Record


An A record points a domain or subdomain to a specific IP address. This can be used for or, meaning the market where you have your business. The practice is common among people who purchase from Best Buy, Amazon, etc.


A Record points a logical domain name, such as “,” to an IP address,, of Google’s hosting server.





You can update your A Record of one domain or subdomain every time, no matter how many Host Records need to point to that IP address, with a CNAME (Canonical Name) technique. These records suggest to, to, and to The first record resolves the domain to the www subdomain or the same server. You can use the second record to host and deliver emails from an alternative subdomain. You can access G Suite’s document management system via with the third record. Adding this type of record to Google requires additional configuration.



3. MX Entry


In MX entries (Mail Exchangers), email is directed to specific servers. In the same way, MX Entries must be pointing to a domain, not an IP address.


4. TXT Records


Initially, a TXT (Text) record was intended to contain human-readable text. These dynamic records can serve several purposes. Google Verification frequently uses TXT records. In TXT records, there is a value to point to, but they aren’t used to direct any traffic. Instead, they provide needed information to outside sources.

5. SRV record


Using an SRV (Service) record, one domain points to another using a specific destination port. An SRV record can also direct particular services, such as VoIP or Instant Messaging, to different locations.



6. AAAA Record


An IPv6 address can be pointed at a domain using the AAAA record, just as the A record does.



DNS Glossary:

Zone File – The DNS records for a domain are stored here.


Host Record – You can use this domain or subdomain. Root domains are indicated by the @ symbol. ‘ftp’ represents the subdomain, and ‘@’ represents


Points to – Using this, a domain or subdomain can send traffic to a destination server.


TTL – Your Internet provider’s DNS Server caches a record, the ‘time to live’ value for a given time. Fourteen thousand four hundred seconds (4 hours) is the default (and lowest accepted) value. Usually, this value does not need to be modified.


Action – Using this feature, you can modify or delete existing records.


Weight –  Multiple records are used in this order, which works similarly to priority. A form is grouped with other documents that have the same Priority value. The lower number preceding, the higher one is carried over from MX Entries.

Port – This allows the server or computer to make sure that all traffic flows through the right door and arrives where it’s expected to.


Target – Using this record, traffic is sent to the specified destination.




That’s it!




Our goal in writing this article is to give you an overview of DNS records and types, and we hope this article has given you a better understanding.



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A DNS (Domain Name System) record is a database record that maps a domain name to its corresponding IP address. When a user enters a domain name into their web browser, the DNS server looks up the associated IP address in the DNS record and directs the user to the correct web server.

There are several types of DNS records, including:

  1. A (Address) Record – maps a domain name to an IP address.

  2. MX (Mail Exchange) Record – specifies the mail server responsible for handling email for a domain.

  3. CNAME (Canonical Name) Record – maps an alias or subdomain to the canonical domain name.

  4. TXT (Text) Record – allows domain owners to add arbitrary text to the DNS record.

  5. NS (Name Server) Record – specifies the authoritative name servers for a domain.

  6. SRV (Service) Record – specifies the location of a service offered by a domain.

  7. AAAA (IPv6) Record – maps a domain name to an IPv6 address.

An A record is a DNS record that maps a domain name to its corresponding IPv4 address. It’s one of the most commonly used DNS record types and is essential for directing web traffic to the correct server.

A CNAME record is a DNS record that maps an alias or subdomain to the canonical domain name. For example, a CNAME record could be used to map “www” to “”, so that users can access the website using either domain.

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