216-164-237-13.s7435.c3-0.rdl-ubr2.trpr-rdl.pa.cable.rcncustomer.com IXFR zone transfer

Changes since SOA version

IXFR is a zone transfer request that returns changes since a specific SOA version. Enter the SOA version to request changes since then.

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 .