You can go this site to find out last block details
https://explorer.btc.com/btc/blocksThen, check your block header data detail.
previous hash and nbits must be the same as last block header detail.
ntime can be in 10 minutes varies.
merkleroot won't be same. Different pool got different merkleroot, ntime, version.
Different always got and hash different data of block header. except your pool is a sub-pool.