a question please about my niche site HELP !

A week ago I bought a strong domain with baacklink from

  1. cnn
  2. huffingtonpost
  3. theguardian
  4. blog.visitlondon.com
  5. expansion.mx
  • wordpress.com
  • culturecraver.com
  • blogspot.com
  • gaforum.org
  • cartoonresearch.com
  • blogspot.in
  • goodreads.com
  • thecedrus.com
  • pinterest.com
  • joannezienty.com
  • aboutkidshealth.net

and other strong domain's and the domain have DA 21 PA 33 and the domain…

a question please about my niche site HELP !