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%2F54bf38e666770a2f31187317088b2939%2F5E1C6890%2Ft51.2885-15%2Fsh0.08%2Fe35%2Fc0.180.1440.1440a%2Fs640x640%2F69375922_508446799973367_1031745639580616460_n.jpg%3F_nc_ht%3Dscontent-frx5-1.cdninstagram.com%26_nc_cat%3D103&w=246&h=150&zc=1
TimThumb version: 2.8.14
Instruction: Thumbnails don't work — what to do? (registration required)