206bd0dd441e3534d7aa779f94e2e555.9a09df2aaa5f36b2b2ab8e6632d6c23b.t0896904001701758687.sectigo.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 206bd0dd441e3534d7aa779f94e2e555.9a09df2aaa5f36b2b2ab8e6632d6c23b.t0896904001701758687.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .