Update zone using nsupdate

Run nsupdate:

# nsupdate
> server localhost
> key dhcpupdate N8Hk2RUFO84bEVl3uGTD2A==
> zone mobile.linux
> update add ds.mobile.linux. 600 IN A 10.125.1.4
> send
> zone 1.125.10.in-addr.arpa
> update add 4.1.125.10.in-addr.arpa 600 IN PTR ds.mobile.linux.
> send
> quit

it will generate journal file (.jnl)