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 c-24-2-255-161.hsd1.ct.comcast.net is not the root of its zone.
Instead, try zone transfer on hsd1.ct.comcast.net .
Instead, try zone transfer on hsd1.ct.comcast.net .