4i2em5lw3._spf._d.mim.ec 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 4i2em5lw3._spf._d.mim.ec is not the root of its zone.
Instead, try zone transfer on _d.mim.ec .