Dropbox uses several domains to run the service. If you receive a communication that purports to be from Dropbox but does not come from one of the domains listed below, please be careful as it may contain malware or be a spam or phishing attempt.

Sections in this article:

• Official email from Dropbox
• Verified Dropbox domains
• Other domains used for networking
• URLs used to host user data

Official email from Dropbox

• All email from employees, support staff, and some service-related email (such as email verification, password reset confirmations, and Dropbox research study invitations) are sent from dropbox.com or dropbox.zendesk.com.
• All Dropbox Business related email originates from dropbox.com or dropboxpartners.com.
• All promotional and tip emails originate from dropboxmail.com.

Verified Dropbox domains

All Dropbox content should originate from one of the following domains:

• db.tt
• dropbox.com
• dropboxapi.com
• dropboxbusiness.com
• dropboxdocs.com
• dropboxforums.com
• dropboxforum.com
• dropboxinsiders.com
• dropboxmail.com
• dropboxpartners.com
• dropboxstatic.com
• dropbox.zendesk.com
• getdropbox.com

Other domains used for networking

• dropbox-dns.com

URLs used to host user data

The paths below are used to host content for users when they create links to their folders and files (for example, using Dropbox links). Dropbox does not use these paths to ask you for private or personal information.

• dl.dropboxusercontent.com/*
• dl.dropbox.com/*
• dl-web.dropbox.com/*
• dl-client.dropbox.com/*
• dl-doc.dropbox.com/*
• dl-doc.dropboxusercontent.com/*
• api-content.dropbox.com/*
• content.dropboxapi.com/*
• api-content-photos.dropbox.com/*
• showbox-tr.dropbox.com/*
• photos.dropbox.com/*
• photos-*.dropbox.com/*
• dl-debug*.dropbox.com/*
• *.dropbox.com/content_link/*
• *.dropbox.com/content_link_zip/*
• *.dropbox.com/content_link_htmlify/*
• *.dropbox.com/content_link_preview/*
• *.dropbox.com/link_token_dl/*
• *.dropbox.com/link_token_dl_zip/*
• *.dropbox.com/zip_collection/*
• *.dropbox.com/transcode_video/*
• *.dropbox.com/hls_transcode/*
• *.dropbox.com/t/*
• *.dropbox.com/u/
• *.dropbox.com/s/
• *.dropbox.com/sh/
• *.dropbox.com/sc/
• *.dropbox.com/photos/album/*
• *.dropbox.com/photos/c/*
• *.dropbox.com/photos/cc/*
• *.dropbox.com/photos/cl/*
• *.dropbox.com/photos/cp/*
• *.dropbox.com/photos/conversation_add/*
• *.dropbox.com/photos/conversation_invite/*
• *.dropbox.com/photos/conversation_preview/*
• *.dropbox.com/photos/post/*
• *.dropbox.com/photos/c/permanent_collection_thumb/*