_F442EFB9B93828AAE907090B8A7FE157.vcenter.slc.efscloud.net AXFR zone transfer

Not an apex domain The domain _F442EFB9B93828AAE907090B8A7FE157.vcenter.slc.efscloud.net is not the root of its zone.
Instead, try zone transfer on comodoca.com .