CNAME Records

What are CNAME (Canonical Name) Records? CNAME records, also known as Alias records, point a hostname to another hostname or FQDN. They are called Alias records because they point to other records that have the mapping for that domain. When a … Continued

MX Records

What are MX Records? MX records are used by mail servers to determine where to deliver email for a domain. If no email is sent or received from a domain, then there is no reason to have MX records configured … Continued

TXT Records

What are TXT Records? TXT or text records are unformatted text usually with a host or other name.The most common uses for TXT records are Sender Policy Framework (SPF), DomainKeys (DK), and DomainKeys Identified E-mail (DKIM). TXT records historically have also … Continued

AAAA Records

What are AAAA (IPv6 Address) Records? AAAA (pronounced quad A) records map an FQDN (fully qualified domain name) to an IPv6 address. Similar to an A record, but operates exclusively over the IPv6 protocol. Related Tutorials AAAA Record with Round … Continued

SPF Records

What are SPF (Sender Policy Framework) Records? SPF records are used by mail exchanges to verify which hosts are allowed to send mail for that domain. It is used to validate a sender’s identity and can help mitigate spam. SPF … Continued

SRV Records

What are SRV (Service) Records? An SRV record is intended to provide information on available services for systems, most commonly used with SIP configurations. SRV records have a unique system for naming: an underscore followed by the name of the … Continued

NS Records

What are NS Records? NS Records indicate which name servers are authoritative for the domain. NS Records are used in the event that another external DNS provider will be used in conjunction with Constellix DNS. They can also be used … Continued

PTR Records

What are PTR (Pointer) Records? Pointer records are used to map a network interface (IP) to a hostname for a reverse DNS configuration. PTR records are configured within reverse DNS domains (in-addr.arpa) domains. PTR Record Fields Reverse DNS Overview Before you … Continued