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 102-114-185-147.rdns.colocationamerica.com is not the root of its zone.
Instead, try zone transfer on colocationamerica.com .
Instead, try zone transfer on colocationamerica.com .