When a website title system (DNS) question returns two totally different IP addresses for a given hostname, reminiscent of a firewall distributing community site visitors, this means the presence of a number of community interfaces or redundant server configurations. For instance, a consumer would possibly configure their community to make use of a particular firewall for DNS decision, and querying the hostname of that firewall would possibly return each its WAN (public) and LAN (non-public) IP addresses. This twin response is typical for units providing numerous community connectivity.
Understanding the a number of IP addresses related to a community system is essential for community administration and troubleshooting. It gives insights into community structure, load balancing methods, and potential factors of failure. Traditionally, DNS has developed to offer redundancy and enhance service availability. Receiving a number of addresses can signify a wholesome, redundant setup, designed to keep up connectivity even when one interface or server turns into unavailable. This redundancy is a cornerstone of contemporary, dependable community infrastructure.
