The right signing message template and the right tool for verification in block io for deploy for ENS,old registration

i am new to ens mining token and i want to ask question about
verification of the contract address ownership
Please the reason why i am asking for your help on how to go about
signing message and verification is because i do not want do make any
miss take during the process.
I want to let you know that during the time of processing for my
primary registration in which signing of contract deploy for ENS,old
registration took place at the same time . now as i have already
inform you that i am new in in ENS token mining contract process so
please i want you to direct me fright message signature template
and the right tool i am going to use to to complete my verification on block to avoid making any misstake

Thanks i am waiting for your response soon