197-99-69-12.ip.broadband.is 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 197-99-69-12.ip.broadband.is is not the root of its zone.
Instead, try zone transfer on ip.broadband.is .