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 9b450dc26480bba32d9a256460ece835.9aed38f1fc7d7cf6f352162a2b1b718b.5eff19b460a0dc6.comodoca.com.itconnection.se is not the root of its zone.
Instead, try zone transfer on itconnection.se .
Instead, try zone transfer on itconnection.se .