Required. The field mask describing which fields to update as a comma-separated list. For example, if only the name servers are being updated for an existing Custom DNS configuration, the updateMask is "customDns.name_servers".
When changing the DNS provider from one type to another, pass the new provider's field name as part of the field mask. For example, when changing from a Google Domains DNS configuration to a Custom DNS configuration, the updateMask is "customDns". //
This is a comma-separated list of fully qualified names of fields. Example: "user.displayName,photo".
validateOnly
boolean
Validate the request without actually updating the DNS settings.
Response body
If successful, the response body contains an instance of Operation.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-06-30 UTC."],[[["\u003cp\u003eThis API endpoint allows updating the DNS settings of a \u003ccode\u003eRegistration\u003c/code\u003e resource, identified by its path \u003ccode\u003eprojects/*/locations/*/registrations/*\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe request is made using a POST HTTP method to a specific URL following gRPC Transcoding syntax, and requires a request body with a predefined structure.\u003c/p\u003e\n"],["\u003cp\u003eThe request body includes \u003ccode\u003ednsSettings\u003c/code\u003e to update, an \u003ccode\u003eupdateMask\u003c/code\u003e specifying which fields to modify, and an optional \u003ccode\u003evalidateOnly\u003c/code\u003e boolean flag for validation.\u003c/p\u003e\n"],["\u003cp\u003eSuccessful requests return an \u003ccode\u003eOperation\u003c/code\u003e instance in the response body, while the operation requires \u003ccode\u003edomains.registrations.configureDns\u003c/code\u003e IAM permission.\u003c/p\u003e\n"],["\u003cp\u003eAuthorization for this API call requires the \u003ccode\u003ehttps://www.googleapis.com/auth/cloud-platform\u003c/code\u003e OAuth scope.\u003c/p\u003e\n"]]],[],null,[]]