1. segwit. so what do i have to change while merge mining with a non-segwit parent?

sample reply of last syscoin-version:
{"result":true,"error":null,"id":271723}
{"result":"duplicate","error":null,"id":271724}

reply of syscoin 2.1.3:
""
( yes - thats nothing )


2. i think i am still on the wrong chain.. last block ( #140631 ) is 2 hours old.. also this explorer is on old chain: https://chainz.cryptoid.info/sys/# . can you give me addnodes?

3. side question: why is the diff of syscoin always extremely high.. profit is much lower than NMC UNO I0C !?