https://www.websitepolicies.com/blog...akedown-noticeWhat is protected by the DMCA?
Any original work or content that you own and/or that you have created on a tangible medium (and that is thus subject to copyright protection) is protected by the DMCA if it is being used online without your approval.
The definition of content is large: blog posts, text, photos, videos, are all examples of content that could be subject to protection under the DMCA.