I've verified both signed messages. I didn't check where you've posted those addresses before.
I did it before. They are staked here:
https://bitcointalk.org/index.php?topic=996318.msg62505967#msg62505967Does this mean you have no valid staked address left?
I'm going to stake a new one soon...
(i.e. I'm going to adopt the newer segwit bitcoin address standard).