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%2F9552b97f3688ab133a48c4e58c791960%2F5E3AB34C%2Ft51.2885-15%2Fe35%2F68879356_437056406900617_3281789389887453316_n.jpg%3F_nc_ht%3Dscontent-frx5-1.cdninstagram.com%26_nc_cat%3D101&w=246&h=150&zc=1
TimThumb version: 2.8.14
Instruction: Thumbnails don't work — what to do? (registration required)