A customer has lost Internet connectivity. The technician has the customer ping a web address and gets the response `cannot find host.' The technician then has the customer ping the actual IP…

A customer has lost Internet connectivity. The technician has the customer ping a web address and gets the response `cannot find host.' The technician then has the customer ping the actual IP address of the same site and gets a successful response back. Which of the following commands should the technician have the customer do next?