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%2F06e1eab2ab0ce8430e5da28abf14030b%2F5DB53479%2Ft51.2885-15%2Fsh0.08%2Fe35%2Fs640x640%2F36595813_277335869682298_2478036954009042944_n.jpg%3F_nc_ht%3Dscontent-frt3-1.cdninstagram.com&w=246&h=150&zc=1
TimThumb version: 2.8.14
Instruction: Thumbnails don't work — what to do? (registration required)