03c327be85f31e3abf70a98756f99737.06c7e0ee8f5f5b130348959909c902ce.815951195.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 03c327be85f31e3abf70a98756f99737.06c7e0ee8f5f5b130348959909c902ce.815951195.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .