185.183.20.64-no-dns-yet.optinet.co.uk 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 185.183.20.64-no-dns-yet.optinet.co.uk is not the root of its zone.
Instead, try zone transfer on optinet.co.uk .