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 2cc1104cbe860892d37d6c8e75f54b81.d4c1787864eef060e4f3751acffa3752.6260d9e6d8155.comodoca.com is not the root of its zone.
Instead, try zone transfer on comodoca.com .
Instead, try zone transfer on comodoca.com .