Domain Name System Application Layer
Dns is a distributed database implemented in a hierarchy of name servers.
Domain name system application layer. Dns is a host name to ip address translation service. Dynamic domain name system ddns in application layer. The other layers present below this layer mainly helps in facilitating the user to use various applications present in this layer.
Domain name service dns network management. It is an application layer protocol for message exchange between clients and servers.
Source : pinterest.com