188x187x188x7.static-customer.yola.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 188x187x188x7.static-customer.yola.ertelecom.ru is not the root of its zone.
Instead, try zone transfer on yola.ertelecom.ru .