Domain name system response spoofing at customer premise equipment device

A customer premise equipment device that:

• receives a domain name system request from a client device;
• blocks the domain name system request, wherein the domain name system request is blocked at the customer premise equipment device in response to determining that a connection between the customer premise equipment device and an upstream network is broken, and wherein the customer premise equipment device blocks the domains system request by matching one or more parameters of the domain system request to at least one parameter from a list of packet parameters that is maintained at the customer premise equipment device;
• extracts information from the domain name system request;
• uses the information extracted from the domain name system request to generate a domain name system response;
• retrieves a redirect address, wherein the redirect address comprises an address that is associated with a server that is internal to the customer premise equipment device, and the address comprising an identifier associated with specific content stored at the server which is internal to the customer premise equipment device, wherein the specific content comprises troubleshooting information associated with the broken connection between the customer premise equipment device and the upstream network;
• and
• inserts the redirect address into the domain name system response;
• and
• wherein the one or more interfaces are further configured to be used to output the domain name system response to the client device.

One or more non-transitory computer readable media having instructions operable to cause one or more processors to perform the operations comprising:

• receiving, at a customer premise equipment device, a domain name system request from a client device;
• blocking the domain name system request at the customer premise equipment device, wherein the domain name system request is blocked at the customer premise equipment device in response to determining that a connection between the customer premise equipment device and an upstream network is broken, and wherein the customer premise equipment device blocks the domains system request by matching one or more parameters of the domain system request to at least one parameter from a list of packet parameters that is maintained at the customer premise equipment device;
• extracting information from the domain name system request;
• using the information extracted from the domain name system request to generate a domain name system response;
• retrieving a redirect address, wherein the redirect address comprises an address that is associated with a server that is internal to the customer premise equipment device, and the address comprising an identifier associated with specific content stored at the server which is internal to the customer premise equipment device, wherein the specific content comprises troubleshooting information associated with the broken connection between the customer premise equipment device and the upstream network;
• inserting the redirect address into the domain name system response;
• and
• outputting the domain name system response to the client device.