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 a08cef7e3bafc6e65ae62d9855bd2cfd.807855471d26c6f00c476ae79f5c41d9.a54e8dbb3df208d.comodoca.com is not the root of its zone.
Instead, try zone transfer on comodoca.com .
Instead, try zone transfer on comodoca.com .