A communication device includes a first interface configured to perform communication using a first network and a second interface configured to perform communication using a second network. The communication device is configured to generate a first server certificate including first device information for identifying the communication device in the first network and a second server certificate including second device information for identifying the communication device in the second network, receive a communication request, execute communication with the first specific device through the first interface by using the first server certificate in a case where the communication request is received from a first specific device through the first interface, and execute communication with the second specific device through the second interface by using the second server certificate in a case where the communication request is received from a second specific device through the second interface.