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%2F78437cb6c8b10cbc7876066ecbaa3b89%2F5D6F98ED%2Ft51.2885-15%2Fsh0.08%2Fe35%2Fs640x640%2F58800458_140314980360760_1803210280365605809_n.jpg%3F_nc_ht%3Dscontent-frx5-1.cdninstagram.com&w=246&h=150&zc=1
TimThumb version: 2.8.14
Instruction: Thumbnails don't work — what to do? (registration required)