Abstract: The disclosure provides an apparatus and method for configuring DNS of a mobile device, and a storage medium. The apparatus includes: one or more processors; and a memory, wherein: the memory stores therein one or more computer readable program codes configured to be executed by the one or more processors to perform the operations of: functioning, by the mobile device, as a Wi-Fi relay to be connected with both a wireless access point and an electronic device; determining state information of communication between the wireless access point and the electronic device, forwarded by the relaying mobile device; determining whether communication is abnormal, according to the state information; and if so, then detecting a network service provider serving the mobile device; if the network service provider serving the mobile device is detected, then configuring a DNS list adapted to the network service provider; and configuring a DNS service of the mobile device according to the DNS list.