C0FCC4F55E71A67D4D23E91A3530E07E.017D5ABE0D9F0C69C24C91B80D40A7A7.64551f6a2b47b.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 C0FCC4F55E71A67D4D23E91A3530E07E.017D5ABE0D9F0C69C24C91B80D40A7A7.64551f6a2b47b.comodoca.com is not the root of its zone.
Instead, try zone transfer on comodoca.com .