5b6c358213b9b73c3298b8d2a1467ac4.ec5cd97909d07503c30a7f9bd4c6a147.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 5b6c358213b9b73c3298b8d2a1467ac4.ec5cd97909d07503c30a7f9bd4c6a147.comodoca.com is not the root of its zone.
Instead, try zone transfer on comodoca.com .