47-206-227-64.static.clwr.fl.ip.frontiernet.net 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 47-206-227-64.static.clwr.fl.ip.frontiernet.net is not the root of its zone.
Instead, try zone transfer on ip.frontiernet.net .