atlassian-eu.mx.e.sparkpost.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 atlassian-eu.mx.e.sparkpost.com is not the root of its zone.
Instead, try zone transfer on mx.e.sparkpost.com .