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 47-176-109-2.e0f7270aa038f0be14170d8dd8066bd6.ip.frontiernet.net is not the root of its zone.
Instead, try zone transfer on ip.frontiernet.net .
Instead, try zone transfer on ip.frontiernet.net .