Show tip, was wed network administrator who would like to identify what best external dns service use? or identify whether the DNS of your ISP slowly problem ?
Software that we will use for this is called DNS benchmark, segue link para download aqui
1 – Click in Add/Remove.
2- Click in bluid custom nameserver list.
3- Click in bluid custom list, create list of the 50 best DNS servers, this process takes more than 30 minutes.
4- Information during the process if you want to cancel can click in Abort.
5- After creating the list, click in Run benchmark , to start the test and identify the best DNS server.