No it's not: your hostname is wrong, and your cert is self-signed.
Check https://www.wormly.com/test_ssl/h/www.fluxflex.com/i/64.27.5...
Check https://www.wormly.com/test_ssl/h/www.fluxflex.com/i/64.27.5...
For avoiding the error, please access to www.fluxflex.com, not fluxflex.com. We'll fix this issue soon.
Both are broken in the same way.
I should investigate the problem deeper.
https://www.wormly.com/test_ssl/h/50.16.245.9/i/50.16.245.9/...