{"id":28211,"date":"2022-06-15T10:54:01","date_gmt":"2022-06-15T10:54:01","guid":{"rendered":"https:\/\/easydmarc.com\/blog\/?p=28211"},"modified":"2026-03-23T09:48:21","modified_gmt":"2026-03-23T09:48:21","slug":"top-8-most-common-types-of-dns-records","status":"publish","type":"post","link":"https:\/\/easydmarc.com\/blog\/top-8-most-common-types-of-dns-records\/","title":{"rendered":"Top 8 Most Common Types of DNS Records"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">What is a DNS record?<\/span><span style=\"font-weight: 400;\"> A <a href=\"https:\/\/easydmarc.com\/blog\/glossary\/dns\/\">Domain Name System<\/a> record is a database record used to translate domain names to IP addresses. Also known as a resource record or a DNS query type, it consists of text files stored on DNS servers, which helps users connect their website to the internet.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">What is a DNS Lookup<\/span><span style=\"font-weight: 400;\">?<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Well, when you enter a domain name in your browser, a DNS query is sent from your device to a DNS server to confirm if the domain name has an IP address.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">DNS records also encompass several syntaxes and commands telling the server how to handle a client request. By knowing the common <\/span><b>types of DNS records<\/b><span style=\"font-weight: 400;\">, you can better understand your network activity.\u00a0<\/span><\/p>\n<div style=\"text-align: center;\">\n<p><iframe title=\"YouTube video player\" src=\"https:\/\/www.youtube.com\/embed\/62qVTVeCupk\" width=\"560\" height=\"315\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<\/div>\n<p><span style=\"font-weight: 400;\"><br \/>\nSo, <\/span><b>how many types of DNS records are there<\/b><span style=\"font-weight: 400;\">? Officially, there are about 90 unique types, each corresponding to a different task or request. If these are misconfigured or used incorrectly, it can negatively affect your website\u2019s performance or even indicate <\/span><span style=\"font-weight: 400;\">DNS spoofing<\/span><span style=\"font-weight: 400;\">.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Read on to discover the top 8 most common <\/span><b>types of DNS records<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><b>A Record<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">An <\/span><a href=\"https:\/\/easydmarc.com\/tools\/a-record-lookup\" target=\"_blank\" rel=\"noopener\"><b>A record<\/b><\/a> <span style=\"font-weight: 400;\">is one of the most common <\/span><b>types of DNS records<\/b><span style=\"font-weight: 400;\">. During an IP address lookup, an A record uses the domain name to locate the IPv4 address of the computer hosting the domain name on the internet. The \u201cA\u201d in this record stands for \u201cAddress.\u201d When you visit a site like easyDMARC.com, an A record points to an IP address (Version 4).\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This implies that a request from your browser to easyDMARC.com is directed to the corresponding IPV4 address. But an A record can do more than link a domain name to an IP address.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Using multiple A records for the same domain provides fallbacks and redundancy. In this case, each domain would have an A record directing users to the same IP address.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">An A record conforms with the standard top-level format defined in RFC 1035. Below is an example of an A record format.\u00a0<\/span><\/p>\n<table style=\"height: 146px;\" width=\"822\">\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">cybersecurity.com<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Record type:<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Value:<\/span><\/td>\n<td><span style=\"font-weight: 400;\">TTL<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">@<\/span><\/td>\n<td><span style=\"font-weight: 400;\">A<\/span><\/td>\n<td><span style=\"font-weight: 400;\">192.168.10.1<\/span><\/td>\n<td><span style=\"font-weight: 400;\">14400<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>AAAA Record<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">An <\/span><a href=\"https:\/\/easydmarc.com\/tools\/aaaa-record-lookup\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">AAAA record<\/span><\/a><span style=\"font-weight: 400;\"> is another<\/span><b> common DNS record <\/b><span style=\"font-weight: 400;\">type, and it\u2019s quite similar to an A record. However, an AAAA record points to the IPv6 address of the DNS server rather than the IPv4.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This \u201cQuad A\u201d record allows the DNS client to learn about the IP address of a domain name and then connect to the website. Although less common, it\u2019s experiencing increased popularity due to the wide global adoption of IPv6 addresses.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">IPv6 is the latest version of the Internet Protocol address, and it\u2019s longer than version 4. Like an A record, multiple AAAA records can also provide redundancy when used for the same domain.<\/span><\/p>\n<table style=\"height: 174px;\" width=\"819\">\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">cybersecurity.com<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Record type:<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Value:<\/span><\/td>\n<td><span style=\"font-weight: 400;\">TTL<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">@<\/span><\/td>\n<td><span style=\"font-weight: 400;\">AAAA<\/span><\/td>\n<td><span style=\"font-weight: 400;\">2010:0ca8:89b3:0001:4010:8b2c:0450:7245.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">14400<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>CNAME Record<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A Canonical Name or CNAME record is a DNS record that points an alias domain name (a subdomain or different domain) to the canonical or main domain name. A <\/span><a href=\"https:\/\/easydmarc.com\/tools\/cname-lookup\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">CNAME record<\/span><\/a><span style=\"font-weight: 400;\"> is often used to map an alias domain name to the main domain carrying the A or AAAA record.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For instance, a Canonical Name record can direct the web address <\/span><i><span style=\"font-weight: 400;\">www.easyDMARC.c<\/span><\/i><span style=\"font-weight: 400;\">a to the main website for the domain, <\/span><i><span style=\"font-weight: 400;\">www.easyDMARC.com<\/span><\/i><span style=\"font-weight: 400;\">, provided both domains are owned by the same company or individual\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A CNAME record is ideal when your website has multiple subdomains. Each subdomain points to the root domain containing the A or AAAA record.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">If your IP address changes, there\u2019s no need to update the CNAME record of your subdomains. Since they all point to the same root domain, only the AAAA or A record for the root domain must be changed.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Below are a few restrictions of using a CNAME record.<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">You can\u2019t place the CNAME record in the root domain.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">A CNAME record must always point to another domain name and not an IP address.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">Pointing A CNAME record to another CNAME record is possible but not recommended.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">NS and MX records should never point to a CNAME record.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">A CNAME record should have no other resource record with the same name (A, MX, etc.) except for DNSSEC records like NSEC and RRSIG.<\/span><\/span><\/li>\n<\/ul>\n<h2><b>DNS PTR Record<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The Pointer or PTR record specifies the domain name associated with a specific IP address. It\u2019s the opposite of an A record, and it\u2019s used in reverse DNS lookup.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A reverse DNS lookup is a process that starts with the IP address and returns with the associated domain name. PTR records store IPv4 addresses with segments in reverse order and reversed order of hexadecimal digits for IPv6 addresses.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A <\/span><a href=\"https:\/\/easydmarc.com\/tools\/ptr-record-lookup\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">DNS PTR record<\/span><\/a><span style=\"font-weight: 400;\"> typically acts as a security and anti-spam tool.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">When you send an email, the receiving email server uses the PTR record in the message to check if the sending mail server matches the IP address it claims, thereby verifying the host.<\/span><\/p>\n<h2><b>NS Record<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">An NS or Nameserver record is a <\/span><b>DNS record type<\/b><span style=\"font-weight: 400;\"> that specifies the authoritative DNS server of a given domain or subdomain. It can also indicate which DNS server houses all of the actual zone files or DNS records of a specific domain.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Generally, NS records inform the internet of which particular nameserver or DNS server has the IP address of the requested domain. You won\u2019t be able to load your website without a properly configured <\/span><a href=\"https:\/\/easydmarc.com\/tools\/ns-lookup\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">NS record<\/span><\/a><span style=\"font-weight: 400;\">. Using multiple nameservers can also increase reliability.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In this case, there\u2019s one primary nameserver and multiple secondary nameservers carrying similar DNS records as the primary server. So when the primary nameserver is down, one of the secondary servers can attend to DNS queries. An NS record can never point to an alias domain or CNAME record.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Here is an example of an NS record:<\/span><\/p>\n<table style=\"height: 118px;\" width=\"822\">\n<tbody>\n<tr>\n<td><span style=\"font-weight: 400;\">cybersecurity.com<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Record type:<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Value:<\/span><\/td>\n<td><span style=\"font-weight: 400;\">TTL<\/span><\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">@<\/span><\/td>\n<td><span style=\"font-weight: 400;\">NS<\/span><\/td>\n<td><span style=\"font-weight: 400;\">ns1.cybersecurity.com<\/span><\/td>\n<td><span style=\"font-weight: 400;\">21600<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><b>MX Record<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A Mail Exchange (MX) record is a <strong>type of DNS record used for email servers<\/strong>. It indicates the mail server responsible for receiving email for a domain via the SMTP protocol. Without configuring an MX record and confirming it through an <a href=\"https:\/\/easydmarc.com\/tools\/mx-lookup\">MX record lookup<\/a>, you won\u2019t be able to receive mail for your domain email address. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">While some mail providers only have one server, others can have multiple servers. In this case, each server is assigned a priority value to tell the Domain Name System which sequence to contact the servers.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The email server with the lowest value has the highest priority and will be the first point of contact. Servers with a higher value are only contacted if the others are down. However, the DNS balances the workload between email servers with the same priority number. Like NS records, MX records can never point to a CNAME record or alias domain.<\/span><\/p>\n<h2><b>SOA Record<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">The Start of Authority or SOA record is a common <\/span><b>type of DNS<\/b> <b>record<\/b><span style=\"font-weight: 400;\"> that stores crucial information about your DNS zone or domain. It\u2019s used to oversee traffic between primary and secondary nameservers.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">An SOA record is an essential element of zone transfers\u2014the process of sharing DNS records between nameservers\u2014and a DNS zone file is invalid without it.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">DNS zone files prevent failures when mirrored to secondary servers. During a zone transfer, the DNS relies on the SOA record to identify the source of the zone files (AKA primary nameserver) and for instructions on how the transfer must proceed.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">As such, an SOA record has additional information fields, including:<\/span><\/p>\n<ul>\n<li><span style=\"font-weight: 400;\">MNAME &#8211; Primary nameserver of the domain or zone.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">RNAME &#8211; Nameserver administrator\u2019s email address.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">REFRESH &#8211; DNS zone file refresh interval.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">SERIAL &#8211;\u00a0 Nameserver\u2019s or zone\u2019s serial number.<\/span><\/li>\n<li><span style=\"font-weight: 400;\">RETRY &#8211; Refresh retry interval.<\/span><\/li>\n<li><span style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">EXPIRE &#8211; No response timeout.<\/span><\/span><\/li>\n<\/ul>\n<h2><b>TXT Record<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">A textual or <\/span><a href=\"https:\/\/easydmarc.com\/tools\/txt-record-lookup\" target=\"_blank\" rel=\"noopener\"><b>TXT record<\/b><\/a> <span style=\"font-weight: 400;\">is one of the common <\/span><b>types of DNS records <\/b><span style=\"font-weight: 400;\">that contains descriptive, human-readable information. It\u2019s often utilized together with other<\/span><b> DNS record types<\/b><span style=\"font-weight: 400;\"> to provide additional information.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">A single domain can have multiple TXT records. Some use cases of TXT records are found in services for Domain-based Message Authentication, Reporting, and Conformance (DMARC), <\/span><a href=\"https:\/\/easydmarc.com\/tools\/spf-lookup\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">Sender Policy Framework (SPF)<\/span><\/a><span style=\"font-weight: 400;\">, and <\/span><a href=\"https:\/\/easydmarc.com\/tools\/dkim-lookup\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">DomainKeys Identified Email (DKIM) <\/span><\/a><span style=\"font-weight: 400;\">purposes. Overall, a TXT record can be used to verify domain ownership and prevent spam.<\/span><\/p>\n<h2><b>Conclusion<\/b><\/h2>\n<p><span style=\"font-weight: 400;\">DNS servers use DNS records to map a domain name to its IP address. Although these processes happen in the background, DNS records are essential to the smooth running of a domain\u2019s website or email server.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The common <\/span><b>types of DNS records <\/b><span style=\"font-weight: 400;\">all serve a unique purpose, but collectively, they help users keep their websites online without performance issues. If you want to know precisely what DNS records your domain uses, check out our <\/span><a href=\"https:\/\/easydmarc.com\/tools\/dns-record-checker\"><span style=\"font-weight: 400;\">DNS Records Lookup<\/span><\/a><span style=\"font-weight: 400;\"> tool.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is a DNS record? A Domain Name &#8230;<\/p>\n","protected":false},"author":1,"featured_media":32758,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[306,205],"tags":[],"class_list":["post-28211","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dns-records","category-knowledge-base"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Top 8 Most Common Types of DNS Records | EasyDMARC<\/title>\n<meta name=\"description\" content=\"DNS records are a vital part of the internet, where each kind is associated with a particular activity. 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