c78bqglo4m1a3c7f6l5o0q3qpp5he4s9.mylib.eu AXFR zone transfer

Not an apex domain The domain c78bqglo4m1a3c7f6l5o0q3qpp5he4s9.mylib.eu is not the root of its zone.
Instead, try zone transfer on mylib.eu .