k8s-lb-http-cluster-ingress.static.cc.ertelecom.ru 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 k8s-lb-http-cluster-ingress.static.cc.ertelecom.ru is not the root of its zone.
Instead, try zone transfer on t.ertelecom.ru .