Restricting access to undesirable content using Yandex.DNS

[GoogleCodeExporter]

What steps will reproduce the problem?
1. fOllowing steps as indicated at 
https://code.google.com/p/rt-n56u/wiki/CommonTips#Restricting_access_to_undesira
ble_content_using_Yandex.DNS

### Yandex.DNS for kids Smartphone 
dhcp-host=00:1B:24:50:0D:E3,set:kids 
# for host №2:
# dhcp-host=A2:B2:C2:D2:E2:F2,set:kids 
dhcp-option=tag:kids,option:dns-server,77.88.8.7,77.88.8.3


2. tried entering the exact info through Web-Interface and directly to 
/etc/storage/dnsmasq/dnsmasq.conf 
3.clicked apply and restarted router before testing

What is the expected output? What do you see instead?
DNS doesn't change on computer with above mac address upon dhcp release renew


What version of the product are you using? On what operating system?
Firmware Version: 3.4.3.9-096
Hardware: RT-N56U

Please describe the problem as detailed as it's possible.
If you have connection problem, then syslog file is required. (please do
attach it as a file)
Note that if there will be a poor problem description the issue status will
be changed to 'Invalid'!

Original issue reported on code.google.com by [email protected] on 12 Aug 2015 at 7:07