When I try to access your website: https://www.mongodb.com to download mongoDB I get the following message:
You are trying to access this resource from a restricted region. If you believe you've reached this message in error, please file a ticket on jira.mongodb.org

Although I know that technical sanctions are lifted by the US white house : https://obamawhitehouse.archives.gov/the-press-office/2017/01/13/executive-order-recognizing-positive-actions-government-sudan-and and https://obamawhitehouse.archives.gov/the-press-office/2017/01/13/letter-recognizing-positive-actions-government-sudan-and-providing