c-76-97-68-36.hsd1.ga.comcast.net IXFR zone transfer

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-76-97-68-36.hsd1.ga.comcast.net is not the root of its zone.
Instead, try zone transfer on hsd1.ga.comcast.net .