f5a9efe3b9fca79a97688a9db2019a194ba96745a82839d37c9b1e05.vanity-sites.appiancloud.com 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 f5a9efe3b9fca79a97688a9db2019a194ba96745a82839d37c9b1e05.vanity-sites.appiancloud.com is not the root of its zone.
Instead, try zone transfer on vanity-sites.appiancloud.com .