datasur-public-dns-sr1.datasur.sr 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 datasur-public-dns-sr1.datasur.sr is not the root of its zone.
Instead, try zone transfer on datasur.sr .