Client workstations point to ISP's dns servers


my single dc dhcp/dns server. workstations set acquire dynamic ip address dhcp server , seems work fine except workstations ip address of our isp's dns servers.

is there way find out these workstations acquiring dns settings?

i adding ipconfig /all result client pc below.

windows ip configuration

   host name . . . . . . . . . . . . : <hostname>
   primary dns suffix  . . . . . . . : <domain name>
   node type . . . . . . . . . . . . : hybrid
   ip routing enabled. . . . . . . . : no
   wins proxy enabled. . . . . . . . : no
   dns suffix search list. . . . . . : <domain name>

ethernet adapter local area connection:

   connection-specific dns suffix  . : <domain name>
   description . . . . . . . . . . . : intel(r) 82578dm gigabit network co
on
   physical address. . . . . . . . . : 6c-62-6d-e6-d6-04
   dhcp enabled. . . . . . . . . . . : yes
   autoconfiguration enabled . . . . : yes
   link-local ipv6 address . . . . . : fe80::5009:c404:b075:a49f%12(prefer
   ipv4 address. . . . . . . . . . . : 192.168.5.10(preferred)
   subnet mask . . . . . . . . . . . : 255.255.255.0
   lease obtained. . . . . . . . . . : thursday, april 10, 2014 9:12:28 pm
   lease expires . . . . . . . . . . : sunday, april 13, 2014 9:12:26 pm
   default gateway . . . . . . . . . : 192.168.5.1
   dhcp server . . . . . . . . . . . : 192.168.4.248
   dhcpv6 iaid . . . . . . . . . . . : 275538541
   dhcpv6 client duid. . . . . . . . : 00-01-00-01-1a-b5-78-62-6c-62-6d-e6

   dns servers . . . . . . . . . . . : 212.77.192.59
                                       212.77.192.60
   netbios on tcpip. . . . . . . . : enabled

tunnel adapter isatap <domain name>

   media state . . . . . . . . . . . : media disconnected
   connection-specific dns suffix  . : <domain name>
   description . . . . . . . . . . . : microsoft isatap adapter
   physical address. . . . . . . . . : 00-00-00-00-00-00-00-e0
   dhcp enabled. . . . . . . . . . . : no
   autoconfiguration enabled . . . . : yes

tunnel adapter local area connection* 9:

   media state . . . . . . . . . . . : media disconnected
   connection-specific dns suffix  . :
   description . . . . . . . . . . . : microsoft 6to4 adapter
   physical address. . . . . . . . . : 00-00-00-00-00-00-00-e0
   dhcp enabled. . . . . . . . . . . : no
   autoconfiguration enabled . . . . : yes

tunnel adapter local area connection* 11:

   media state . . . . . . . . . . . : media disconnected
   connection-specific dns suffix  . :
   description . . . . . . . . . . . : microsoft teredo tunneling adapter
   physical address. . . . . . . . . : 00-00-00-00-00-00-00-e0
   dhcp enabled. . . . . . . . . . . : no
   autoconfiguration enabled . . . . : yes

ok, thank you. 2 other things check... there servers on network used serve dhcp server? long shot... worth double check. secondly, looking @ ip settings, server , clients sit on different subsets. assume have ip helper / dhcp relay agent in place point dhcp server. if that's case, it's worth checking config on and/or restarting devices.

mcts, mcse 2000/2003, mcsa 2000/2003, cna



Windows Server  >  Windows Server General Forum



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