Not an apex domain
The domain 24-148-68-222.s221.c3-0.frg-cbr2.chi-frg.il.cable.rcncustomer.com is not the root of its zone.
Instead, try zone transfer on chi-frg.il.cable.rcncustomer.com .
Instead, try zone transfer on chi-frg.il.cable.rcncustomer.com .