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 vl100.sl814p.r2-1-6.dc2.cejl.brq.masterinter.net is not the root of its zone.
Instead, try zone transfer on masterinter.net .
Instead, try zone transfer on masterinter.net .