73186d8eba1f1349256050e604c875a9.371d6869f9573c2841b4d75047b6fcda.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 73186d8eba1f1349256050e604c875a9.371d6869f9573c2841b4d75047b6fcda.comodoca.com is not the root of its zone.
Instead, try zone transfer on comodoca.com .