```
$ ssh username@192.168.0.1
$ sudo vi /etc/dnsmasq.d/dnsmasq.static.conf
```

Put there some hostnames <-> ip mappings:

```
address=/some.domain/192.168.0.123
address=/some.other.domain/167.112.237.24
```

Save it the reload dnsmasq:

```
$ sudo /etc/init.d/dnsmasq force-reload
```