--- schema_version: "1" id: 908587810887505595836f866011395e35992b597de51e225058b9890ded46eb title: My Domain Host Names collection: admin version: current locale: en-us portal_url: https://docs.salesforce.com/admin/current/en-us/xcloud/264-0-0/domain_name_hostnames.md canonical_url: https://help.salesforce.com/s/articleView?id=xcloud.domain_name_hostnames.htm&release=264.0.0&type=5 source_site: help.salesforce.com content_type: documentation content_hash: 63f2f8d155399de4f6517a826e43b1a65cc1dd534e80c0ad86e5854bda10ae3a description: Understand the purpose of each host name that Salesforce serves for your org. products: - Salesforce Platform - Cross Cloud release: "264" --- # My Domain Host Names Understand the purpose of each host name that Salesforce serves for your org. ### Required Editions
Available in: both Salesforce Classic and Lightning Experience
Available in: Group, Essentials, Professional, Enterprise, Performance, Unlimited, and Developer Editions
For the format of these host names, see My Domain URL Formats. | Host Name Type | Use | | --- | --- | | Login | Salesforce login authentication. For example, sales reps, support agents, and admins log in to `MyDomainName.my.salesforce.com`. API calls and third-party integrations can also use this host name for authentication. | | Application Page or Tab | The URL for a Salesforce Classic page or tab served by Salesforce to authenticated users. This URL uses the login host name plus an identifier in the format `` `MyDomainName`.my.​salesforce.com​/`PageID` ``. | | Content (files) | Files stored in Salesforce. For example, images or files served outside of an Experience Cloud site or Salesforce Site. | | Content Management System (CMS) public channels | Public-facing channels that let you share the content in your CMS Workspaces with one or more endpoints, or channels. For example, you can share your content in marketing emails, websites, or custom apps. For more information, see [Salesforce CMS](https://help.salesforce.com/s/articleView?id=xcloud.community_managed_content_overview.htm&type=5&language=en_US). | | Email tracking | The `sfdcopens.com` domain is reserved for future use with email tracking. | | Experience Cloud sites | When Digital Experiences are enabled and configured, this host name serves your public-facing Experience Cloud sites. For more information, see [Experience Cloud](https://help.salesforce.com/s/articleView?id=experience.networks_overview.htm&type=5&language=en_US). | | Experience Builder | When Digital Experiences are enabled, admins use Experience Builder to customize Experience Cloud sites. For example, they can add company branding, share Salesforce records with site members, and work with them in a collaborative space that meets your needs. For more information, see [Build and Customize Your Experience Cloud Site](https://help.salesforce.com/s/articleView?id=experience.exp_cloud_build.htm&type=5&language=en_US). | | Experience Builder Preview | When Digital Experiences are enabled, admins use Experience Builder to customize Experience Cloud sites. If the site or its changes aren’t published, users can preview the site from Experience Builder as an authenticated user or guest user. This host name serves the preview in the new tab. Within Experience Builder in Preview mode, certain features aren’t available in their entirety. For more information, see [Build and Customize Your Experience Cloud Site](https://help.salesforce.com/s/articleView?id=experience.exp_cloud_build.htm&type=5&language=en_US). | | Experience Builder Live Preview | When Digital Experiences are enabled, admins use Experience Builder to customize Experience Cloud sites. When a user previews a site within Experience Builder, this host name serves the preview. For more information, see [Build and Customize Your Experience Cloud Site](https://help.salesforce.com/s/articleView?id=experience.exp_cloud_build.htm&type=5&language=en_US). | | Lightning | Lightning pages served by Salesforce to authenticated users. For example, `MyDomainName.lightning.force.com/lightning/page/home`. | | Lightning Container Component | In Aura, the `lightning:container` component hosts content in an iframe. This host name serves that content. For more information, see [Lightning Container](https://developer.salesforce.com/docs/atlas.en-us.lightning.meta/lightning/container_overview.htm) in the Lightning Aura Components Developer Guide. | | Salesforce App Domain | `*.my.salesforce.app` securely serves React and other multi-framework web apps with browser-native isolation from Lightning Experience and internal Salesforce components. The Salesforce app domain isn’t available on Alibaba Cloud or Salesforce Government Cloud. | | Salesforce Sites | Salesforce Sites are public websites and applications that are directly integrated with your Salesforce org—without requiring users to log in with a username and password. For more information, see [Salesforce Sites](https://help.salesforce.com/s/articleView?id=platform.sites_overview.htm&type=5&language=en_US). | | Setup Pages | The `salesforce-setup.com` domain hosts Setup pages in Salesforce. | | Next generation Omni-Channel engagement (examples: voice and messaging) | The host name that serves content through Service Cloud Voice and Service Cloud Messaging. For more information, see [Service Cloud Voice](https://help.salesforce.com/s/articleView?id=service.voice_about.htm&type=5&language=en_US) and [Messaging in Service Cloud](https://help.salesforce.com/s/articleView?id=service.livemessage_intro.htm&type=5&language=en_US). | | User Content and Images | Content from a third party displayed in Salesforce via an inline frame (iframe). For example, Google Maps displayed within an iframe next to an address field. | | User Content on a Government Cloud org | Within a Government Cloud org, content from a third party displayed in Salesforce via an inline frame (iframe). User content stored in a Salesforce Government Cloud org. For example, Google Maps displayed within an iframe next to an address field. | | Visualforce | Visualforce pages, the top-level container for custom apps built with Visualforce. For more information, see the [Visualforce Developer Guide](https://developer.salesforce.com/docs/atlas.en-us.pages.meta/pages/pages_intro.htm). | #### See Also - [My Domain URL Formats](https://help.salesforce.com/s/articleView?id=xcloud.domain_name_app_url_changes.htm&release=264.0.0&type=5 "Your My Domain name is a subdomain used in login URL and application URLs across your Salesforce org, including sites and Visualforce pages. Understand what determines your org’s URL formats and the structure of those formats.")