Denarius staking has been all over the place, especially as more FortunaStakes (masternodes) come online as price steadily increases. Blocktime is slowing down, but still faster than 30 seconds per block.

https://chainz.cryptoid.info/d/#!extraction

https://denarius.pro/

https://pos.watch/

Links
https://denarius.io
http://denarius.win/