468559c2347ed4dece3e10ac71615d6d.401a8b6237889c03e220386471bae639.6xab85y6a355t5tdkf0n.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 468559c2347ed4dece3e10ac71615d6d.401a8b6237889c03e220386471bae639.6xab85y6a355t5tdkf0n.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .