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%2F2e66434019e1eb4216d00cc51dc557b5%2F5E53E89B%2Ft51.2885-15%2Fe35%2F74687615_201484464198179_3196581991402224504_n.jpg%3F_nc_ht%3Dscontent-frx5-1.cdninstagram.com%26_nc_cat%3D111&w=90&h=64&zc=1
TimThumb version: 2.8.14
Instruction: Thumbnails don't work — what to do? (registration required)