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 .