E517D97EE9E7BD71A4B6F9821B07FD64.DA42B727208C644F6968AF4CCECB088A.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 E517D97EE9E7BD71A4B6F9821B07FD64.DA42B727208C644F6968AF4CCECB088A.comodoca.com is not the root of its zone.
Instead, try zone transfer on comodoca.com .