Not an apex domain
The domain 208-58-108-40.s15398.c3-0.drf-cbr1.atw-drf.pa.cable.rcncustomer.com is not the root of its zone.
Instead, try zone transfer on atw-drf.pa.cable.rcncustomer.com .
Instead, try zone transfer on atw-drf.pa.cable.rcncustomer.com .