As you are aware, Palinterest is a free content sharing site where users can share valuable content with their friends which is legal. However, if you believe you have issue with DMCA, please contact us at the earliest opportunity and we would be happy to help.
A DMCA Takedown is:
When content is removed from a website at the request of the owner of the content or the owner of the copyright of the content. It is a well established, accepted, internet standard followed by website owners and internet service providers.
Your right to process. Any owner of content has the right to process a takedown notice against a website owner and/or an Online Service Provider (e.g. ISP, hosting company etc.) if the content owner’s property is found online without their permission.