Setting the root DNS in the network config

Validators please vote for setting Ef-OJd0IF0yc0xkhgaAirq12WawqnUoSuE9RYO3S7McG6lDh address in config 4 as root DNS.

To vote via mytonctrl you need to use the command:
vo 28570401098048530419903479567404779787541823236808968536408335541289727996611

If you don't use mytonctrl use this instruction.

The DNS source code can be found on the GitHub.