TimThumb Error

The following error(s) occurred:

• Error reading the URL you specified from remote host.Could not resolve host: scontent-frx5-1.cdninstagram.com

Query String: src=https%3A%2F%2Fscontent-frx5-1.cdninstagram.com%2Fvp%2Faa3aa433931bb0d8ca4722d6899f4aee%2F5E370643%2Ft51.2885-15%2Fe35%2F69767076_139545913977609_971900249926187125_n.jpg%3F_nc_ht%3Dscontent-frx5-1.cdninstagram.com%26_nc_cat%3D1&w=246&h=150&zc=1
TimThumb version: 2.8.14
Instruction: Thumbnails don't work — what to do? (registration required)