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 2806-0270-8002-8001-8000-0000-0000-0002.cust-ipv6.triara.com is not the root of its zone.
Instead, try zone transfer on triara.com .
Instead, try zone transfer on triara.com .