F56E8193949309B2ECFDF1D5049A13AA.DC28C45700AD7B40F8F5396903E0BF81.769848930.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 F56E8193949309B2ECFDF1D5049A13AA.DC28C45700AD7B40F8F5396903E0BF81.769848930.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .