Here's my ipconifg:
Windows IP Configuration
Host Name . . . . . . . . . . . . : Sean-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : domain.invalid
Ethernet adapter Local Area Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek RTL8102E/RTL8103E Family PCI-E Fast Ethernet NIC (NDIS 6.20)
Physical Address. . . . . . . . . : 00-23-5A-42-AF-BA
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Wireless LAN adapter Wireless Network Connection:
Connection-specific DNS Suffix . : domain.invalid
Description . . . . . . . . . . . : Atheros AR5007 802.11b/g WiFi Adapter
Physical Address. . . . . . . . . : 00-24-2C-6E-D6-25
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::40dd:bed4:27aa:d891%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.254.7(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Thursday, May 17, 2012 1:57:45 PM
Lease Expires . . . . . . . . . . : Sunday, June 23, 2148 9:28:44 PM
Default Gateway . . . . . . . . . : 192.168.254.254
DHCP Server . . . . . . . . . . . : 192.168.254.254
DHCPv6 IAID . . . . . . . . . . . : 184558636
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-46-30-C3-00-23-5A-42-AF-BA
DNS Servers . . . . . . . . . . . : 192.168.254.254
192.168.254.254
NetBIOS over Tcpip. . . . . . . . : Enabled
Tunnel adapter Teredo Tunneling Pseudo-Interface:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv6 Address. . . . . . . . . . . : 2001:0:4137:9e76:cd3:399d:3f57:1f8(Preferred)
Link-local IPv6 Address . . . . . : fe80::cd3:399d:3f57:1f8%13(Preferred)
Default Gateway . . . . . . . . . : ::
NetBIOS over Tcpip. . . . . . . . : Disabled
Tunnel adapter isatap.{295BDD4F-60A2-499E-AA21-8A5C678A786B}:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter isatap.domain.invalid:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : domain.invalid
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #4
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
The DNS domain.invalid seemed like it could be causing an issue, but both the computers on my network have it and it doesn't seem to be causing any issues on the other computer. It also comes up even when the internet on my computer is working (like now).
Here's a screen cap of the network devices: