[Jimmyhead521]

Connect though your static IP then do
RUN > CMD
ipconfig /release
ipconfig /renew

then do
ping forum.sa-mp.co.uk

If sucess then you should get

Pinging forum.sa-mp.co.uk [87.98.250.228] with 32 bytes of data:
Reply from 87.98.250.228: bytes=32 time=35ms TTL=57
Reply from 87.98.250.228: bytes=32 time=35ms TTL=57
Reply from 87.98.250.228: bytes=32 time=35ms TTL=57
Reply from 87.98.250.228: bytes=32 time=36ms TTL=57

Ping statistics for 87.98.250.228:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 35ms, Maximum = 36ms, Average = 35ms

If you get any received then you have connection, and you should be able to access the forums if not then youre' defo banned