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 66-133-129-0.416d78397a3a632a5d25d5767738c5d7.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 .