cfGlobalping: ping, dig, and curl your site from anywhere on Earth...

Here's a problem I run into all the time. I push a DNS change, swap a cert at the edge, or tweak a Fastly config, and then I want to know one thing: does it actually work out there? Not from my server. Not from my laptop on the Central Coast. From Frankfurt. From Tokyo. From some eyeball network in Sãn Paulo...