Author Simon M

LOC records allow you to specify a physical location for a domain name. It contains Latitude, Longitude, and Altitude information as well as host/subnet physical size and location accuracy. This information can be queried by other computers connected to the Internet. LOC record format A typical LOC record looks like […]

ALIAS record is a type of DNS record build in the ClouDNS and works in a similar way as the CNAME record. The ALIAS record will allow you to add multiple hostnames for the same subdomain and can be used for the root domain too. This new build in our […]

The Certification Authority Authorization (CAA) DNS Resource Record allows a DNS domain name holder to specify one or more Certification Authorities (CAs) authorized to issue certificates for that domain. CAA records can set policy for the entire domain, or for specific hostnames. They are also inherited by subdomains, therefore a […]

The ‘service’ record specifies a host and port for specific services such as Voice Over IP (VOIP), instant messaging, etc. When an application needs to find the location of a specific service, it will search for a related SRV record. If it finds one, it will sift through the list […]

The Domain Name System, or DNS, correlates domain names with IP addresses. A DNS pointer record (PTR) provides the domain name associated with an IP address. A DNS PTR record is exactly the opposite of the ‘A’ record, which provides the IP address associated with a domain name. DNS PTR […]

The ‘start of authority’ record can store important info about the domain. SOA record is a DNS Resource Record as a kind of documentary record.  It contains the admin email address of the person responsible and a few other values such as serial number, refresh, retries, expiry, etc. Example of […]

NS stands for ‘name server’ and this record indicates which DNS server is authoritative for that domain (which server contains the actual DNS records).  A domain will often have multiple NS records which can indicate primary and backup name servers for that domain. If you want to delegate a registered […]

Mail Exchanger (MX) records are used to directs email to a mail server according to the domain owners’ preference.  These preferences should be routed in accordance with Simple Mail Transfer Protocol (SMTP, the standard protocol for all email.) The MX record itself specifies which server(s) to attempt to use to […]

A TXT record is used to store any text-based information that can be grabbed when necessary. It is also possible to put some machine-readable code into TXT records as well. One domain can have many TXT records and they are commonly used for Sender Policy Framework (SPF) codes that help […]

The ‘canonical name’ record is used instead of an A record. When a domain or subdomain is an alias of another domain. A domain with a CNAME record is like a clue that can point you to another clue (another domain with a CNAME record) or to the treasure (a […]