200-91-194-152-dial-up.ifx.net.co 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 200-91-194-152-dial-up.ifx.net.co is not the root of its zone.
Instead, try zone transfer on ifx.net.co .