SERVICE REGISTRATION METHOD AND DEVICE

This application provides a method, including: receiving, sent by a third-party server, a registration request which includes first information, second information, and third information, the first information is used to indicate a public key address of the third-party server, the public key address includes a first domain name, the second information is used to indicate a delivery address of event information, the delivery address includes a second domain name, the third information is used to indicate a target DNS record which includes a digital signature of the third-party server; when the first domain name is the same as the second domain name, obtaining a public key of the third-party server, and obtaining the target DNS record; performing signature authentication on the digital signature based on the public key, to obtain a signature authentication result; determining, based on the signature authentication result, whether to allow the third-party server to perform registration.