Discovering Your DNS Server

ipconfig/all

Connection-specific DNS Suffix  . :
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller
Physical Address. . . . . . . . . : 54-04-A6-EF-66-E9
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::7804:a292:1374:37c3%12(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.0.110(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : 2014-08-19 1:15:18 AM
Lease Expires . . . . . . . . . . : 2014-08-26 2:07:48 AM
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DHCPv6 IAID . . . . . . . . . . . : 324273318
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-19-35-7B-98-00-0E-0C-CF-A6-D4
DNS Servers . . . . . . . . . . . : 192.168.0.1   <-- D N S   S E R V E R S
NetBIOS over Tcpip. . . . . . . . : Enabled

In this case, my DNS server is my router which acts as a DHCP server.  In
turn, it gets its information from another DNS server.