6c8e3815fe5de59ab0a47c459e6febee.727bb61bc1f75b6a12688d056c06e165.6699fd9855c82.comodoca.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 6c8e3815fe5de59ab0a47c459e6febee.727bb61bc1f75b6a12688d056c06e165.6699fd9855c82.comodoca.com is not the root of its zone.
Instead, try zone transfer on comodoca.com .