Whats my DNS is an online tool which helps website owners and webmasters to verify their domain's DNS Records by simply inputting their domain name. This tool translates your domain name into an IP Address, which helps the browser to communicate with the server to load the website's resources.
Whenever a new domain is registered, the hosting provider asks the website owner to setup DNS records to route traffic to the server. The website owner enters DNS records into the DNS database by using an online panel provided by the domain registrar. DNS records once set up correctly; further, the site owner needs to verify the records by checking DNS A Record by using Whats my DNS tool. This tool shows instantly the newly entered DNS information by querying DNS records through various DNS Servers around the world. This process helps to check in which locations the DNS records are propagated. It is essential to check the propagation because DNS records need at least 24 to 48 hours to propagate globally fully.
Whats my DNS tool is also vital for those webmasters who have recently updated their existing DNS records for old domains. It is essential to check updated records globally to verify either your users are seeing old version or a new version of your DNS records which directly affects the routing of your users towards your new or old server in case of A or AAAA records.