I think you are talking about Cksolo pool right? if so, then No, the last block that was found by cksolo was block # 733,739.
The block you mentioned was found by "unknown" and that isn't cksolo for sure, here is a list that gets instantly updated when ckpool hits a block
https://btc.com/stats/pool/Solo%20CKYou can use the same website to track other pools/blocks.