809a3ffcc8eaf383f081c4ab1c140e04.bea062ba84e2e673ad72ab6183828d0b.20210811163323pm.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 809a3ffcc8eaf383f081c4ab1c140e04.bea062ba84e2e673ad72ab6183828d0b.20210811163323pm.comodoca.com is not the root of its zone.
Instead, try zone transfer on comodoca.com .