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%2Fv%2Ft51.2885-15%2Fsh0.08%2Fe35%2Fp750x750%2F71736838_592171961535830_6023314026329791936_n.jpg%3F_nc_ht%3Dscontent-frx5-1.cdninstagram.com%26_nc_cat%3D102%26oh%3Dddd97f669ec54b848da20e156d633b2c%26oe%3D5E7D59CB&w=90&h=64&zc=1
TimThumb version: 2.8.14
Instruction: Thumbnails don't work — what to do? (registration required)