Not an apex domain
The domain 216-164-237-13.s7435.c3-0.rdl-ubr2.trpr-rdl.pa.cable.rcncustomer.com is not the root of its zone.
Instead, try zone transfer on trpr-rdl.pa.cable.rcncustomer.com .
Instead, try zone transfer on trpr-rdl.pa.cable.rcncustomer.com .