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What Are DNS Records?
DNS records are entries in a database that link domain names to specific IP addresses. They enable the Domain Name System (DNS) to translate human-readable domain names into machine-readable addresses. These records are stored on DNS servers and play a crucial role in directing internet traffic to the correct destinations, such as websites or email servers.
In essence, DNS records serve as a directory for the internet, allowing users to access websites without remembering complex numerical IP addresses.
Types of DNS Records
| Record Type | Description |
|---|---|
| A (Address Record) | Maps a domain to an IPv4 address. |
| AAAA (IPv6 Address Record) | Maps a domain to an IPv6 address. |
| CNAME (Canonical Name Record) | Creates an alias for another domain name, allowing multiple domain names to point to the same IP address. |
| MX (Mail Exchange Record) | Directs email to mail servers. |
| NS (Name Server Record) | Indicates which DNS server is authoritative for a particular domain and is responsible for managing DNS records. |
| SOA (Start of Authority Record) | Contains administrative information about the domain, like the primary nameserver and zone update settings. |
| TXT (Text Record) | Stores text information, often used for verification purposes. |
| PTR (Pointer Record) | Resolves an IP address to a domain name for reverse DNS lookups. |
| CAA Record (Certification Authority Authorization) | Specifies which Certificate Authorities are allowed to issue security certificates for the domain. |
| SRV (Service Record) | Defines the location of services for a domain, such as for VoIP or messaging services. |
What is a DNS cache?
The DNS cache (also known as DNS resolver cache) is a temporary storage on your device (like your computer or phone) that keeps track of your visited websites. It stores the domain names and their associated IP addresses for a certain period of time.
When you visit a website, your device saves its address in the cache so that the next time you visit, it can quickly retrieve the information without needing to perform a full DNS lookup again. This helps speed up browsing and reduces the time spent searching for website addresses.
Common DNS Issues & Solutions
| Add a New DNS Zone and Manage DNS Records | Learn step-by-step instructions for creating a new DNS zone and efficiently managing DNS records for your domain. |
|---|---|
| The Difference Between DNS A and AAAA Records | Understand the key differences between A records and AAAA records and when to use them. |
| Managing DNS Records of a domain in cPanel | This article explains how to access and configure DNS records directly in cPanel for seamless domain management. |
| DNS Propagation | Find out what DNS propagation is, why it takes time, and tips to minimize delays for faster DNS updates. |
If you want to learn more about DNS or have any questions about hosting and control panels, check out our knowledgebase