4115DB43A2C4BC2AF315BA8F069433A5.1FA0F2166BDB878FD527673A8C3712DE.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 4115DB43A2C4BC2AF315BA8F069433A5.1FA0F2166BDB878FD527673A8C3712DE.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .