There are no linx between DAD and SPECTRE. The similarity between the names Jinx and Hinx surely is nothing more than a...here it comes and yes, it will be awful...coincidinx.
I've given more thought to this amazing web of connectivity and tangents, and it precedes even Dink in the GF film. Indeed, Fleming (yes, as in "Fleming himself !!!") wrote a line spoken by Felix Leiter, the Studillac Maniac himself, which also named a Chapter in Diamonds Are Forever, which you can translate to the phonetic ("x" for "ks"): Nothing propinks like propinquity.