43f199b42539a9f7cce1378dcf691154.5acac641665ec457d61503e05202f970.64897446aa61d.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 43f199b42539a9f7cce1378dcf691154.5acac641665ec457d61503e05202f970.64897446aa61d.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .