What are DNS Records (NS, A, MX, CNAME, SPF)?

Your domain name has a DNS zone which consists of the following records:

 

  •  A = Address:  This registry is used to translate host names into IP addresses.

      
  • CNAME = Canonical Name:  This is used to create additional host names or aliases for domain hosts. It is used when multiple services are running (FTP and Web Server) on one server with a single IP.  Each service has its own DNS entry (such as ftp.example.com and www.example.com.)  This is also used when you run multiple http servers, with different names in the same host.  

  • NS = Name Server:  It defines the association that exists between a domain name and the name servers storing the domain's information. Each domain can be associated to any amount of name servers. 

  • MX (Registry) = Mail Exchange: – (Mail Interchange Registry)  It is associated with a domain name to a list of mail exchange servers for the domain.

  • PTR = Pointer: – (Indicator) It is also known as an inverse registry and works inversely to register A, translating IPs to domain names.  

      
  • SOA = Start of authority: – (Zone authority) It gives information about the zone. 

  • HINFO = Host INFOrmation: – (Information about the IT system) It is a host description.  It allows you to recognize the type of equipment and operating system corresponding to a domain.

  • TXT = TeXT: - (Textual Information) Allows domains to identify arbitrary modes.  

  • LOC = LOCalization:  It allows the indication of domain coordinates 

  •  WKS:  A generalization of the MX registry to indicate the services offered by a domain.  It was made obsolete by SRV

  • SRV = SeRVices:  I allows the indication of services offered by a domain. RFC 2782.

  • SPF = Sender Policy Framework:  It allows to combat SPAM.  This registry specifies which host or hosts are authorized to send email from a given domain. The server receiving the query consults the SPF to compare the sending IP with the data in the registry. 

 

In general terms, Domain Name Servers or DNSs are the routes through which the Internet interprets which IP addressess to utilize to resolve the content of your domain.

If you require an additional configuration, keep in mind that you can always contact our technicians through our Customer Portal and they will provide you the type of technical service for which abdicar.com is widely known and recognized. 

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