4DAA6B350381A1D93F0B38B9950D6C2B.5DA20663C80935D05481CC5FAC9E2CF2.548650db2d30785.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 4DAA6B350381A1D93F0B38B9950D6C2B.5DA20663C80935D05481CC5FAC9E2CF2.548650db2d30785.comodoca.com is not the root of its zone.
Instead, try zone transfer on comodoca.com .