1bbf9f051a2b5c49658bb326a02e3a83.52e008c32b546191d209f8c46a17422f.623466774.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 1bbf9f051a2b5c49658bb326a02e3a83.52e008c32b546191d209f8c46a17422f.623466774.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .