09C0E43150CACB8A63976DF66DF732C7.4AB8DE47511C04A12128EEF33FA6A009.919457138.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 09C0E43150CACB8A63976DF66DF732C7.4AB8DE47511C04A12128EEF33FA6A009.919457138.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .