mail01.sam.pb-dynmktg.com 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 mail01.sam.pb-dynmktg.com is not the root of its zone.
Instead, try zone transfer on sam.pb-dynmktg.com .