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 e76c9edf64cad62f1387bb2b4b2d3c90.22bb1079bdff5dbe38de5e6ff9e23554.t0166893001747289363.sectigo.com is not the root of its zone.
Instead, try zone transfer on sectigo.com .
Instead, try zone transfer on sectigo.com .