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%2F31d2ae61ef1a63c935f60479b2631172%2F5D3E02AB%2Ft51.2885-15%2Fsh0.08%2Fe35%2Fs640x640%2F28429764_450577988707463_7229391082654531584_n.jpg%3F_nc_ht%3Dscontent-frx5-1.cdninstagram.com&w=90&h=64&zc=1
TimThumb version: 2.8.14
Instruction: Thumbnails don't work — what to do? (registration required)