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 dp-mdns-01-m.hq.telio.no. is not the root of its zone.
Instead, try zone transfer on hq.telio.no .
Instead, try zone transfer on hq.telio.no .