Router can't resolve domain names

[MoMohib]

Router#ping www.google.com
% Unrecognized host or address, or protocol not running.

When i ping google IP it works :

Router#ping 216.58.198.206
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 216.58.198.206, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 19/19/19 ms

My network architetcure :

Modem (DNS-server) <------------- Cisco Router <------------- Siwtch <----------- LAN
    192.168.1.1

My configuration :

ip name-server 192.168.1.1
ip domain name momohib.com
ip domain lookup 
ip dns server 

Can you please help me to figure out this issue . Thank you

[nazimkha]

Can you ping your DNS server from the router

[MoMohib]

Yes i can ping my dns server from the router
Router#ping 192.168.1.1
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/2 ms

[Georg Pauwen]

Hello,

remove:

ip dns server

from your configuration, as your DNS server is not the router but an external device.

[MoMohib]

Hi ,

I deleted ip dns server from the configuration, but i still have the same problem :(

Router#ping www.google.fr
% Unrecognized host or address, or protocol not running.

[MoMohib]

Hi ,
I deleted ip dns server from the config, but i still have the same problem :(

[Georg Pauwen]

The syntax:

ip domain lookup

looks wrong, it should be:

ip domain-lookup