# Reset to UD default nameservers (bulk)

Switch back to Unstoppable Domains default nameservers for one or more domains. Supports up to 50 domains per request.

Endpoint: POST /mcp/v1/actions/ud_dns_nameservers_set_default
Version: 1.0.0
Security: bearerAuth

## Request fields (application/json):

  - `domains` (array, required)
    Array of domains

  - `domains.name` (string, required)
    Domain name

## Response 200 fields (application/json):

  - `results` (array)

  - `results.domain` (string)
    Domain name

  - `results.success` (boolean)
    Whether the operation succeeded

  - `results.operationId` (string)
    Track with ud_domain_pending_operations (if successful)

  - `results.nameservers` (array)
    Configured nameservers (for nameserver operations)

  - `results.hasDnssec` (boolean)
    Whether DNSSEC is configured (for nameserver operations)

  - `results.config` (object)
    Hosting config (for hosting operations)

  - `results.config.type` (string)

  - `results.config.subName` (string,null)

  - `results.config.targetUrl` (string,null)

  - `results.subName` (string)
    Subdomain removed (for hosting remove operations)

  - `results.deletedAll` (boolean)
    Whether all configs were removed (for hosting remove)

  - `results.error` (string)
    Error message (if failed)

  - `successCount` (number)
    Number of successful operations

  - `failureCount` (number)
    Number of failed operations


## Response 401 fields