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 d9f4547ae54c37a571c4e693a73ab3f3.b59f17fa3f6c3a4ec53c3a2f02fb46d3.4zaxatgfis6bj7ybfrp8.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .
Instead, try zone transfer on sectigo.com .