TimThumb Error

The following error(s) occurred:

• Error reading the URL you specified from remote host.Could not resolve host: scontent-frt3-1.cdninstagram.com

Query String: src=https%3A%2F%2Fscontent-frt3-1.cdninstagram.com%2Fvp%2Fd73051d685346c8c5d2590829cb676f3%2F5DB7FB55%2Ft51.2885-15%2Fsh0.08%2Fe35%2Fc1.0.1238.1238a%2Fs640x640%2F65241973_1057547401300700_6323464565004796761_n.jpg%3F_nc_ht%3Dscontent-frt3-1.cdninstagram.com&w=90&h=64&zc=1
TimThumb version: 2.8.14
Instruction: Thumbnails don't work — what to do? (registration required)