# CFNetServiceGetTargetHost(_:) Queries a CFNetService for its target hosts. ``` func CFNetServiceGetTargetHost(_ theService: CFNetService) -> Unmanaged? ``` ## Parameters `theService` Network service to be queried. ## Return Value The target host name of the machine providing the service or `NULL` is of the service’s target host is not known. (The target host will not be known if it has not been resolved.) ## Discussion This function is thread safe, but the target host name is not safe if the service is altered from another thread. --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)