We are having issues with Internet, connecting to websites is slow, it started happening last week. We have 7 bonded T1 10 up and 10down and this issue is happening to everyone on out network, I need some help trying to figure out if it is our DNS server (windows 2003) or its ISP. I personally use chrome or Firefox and when going to any website it takes forever to load web page. Please let me know what information you need to resolve this.
I have also ran full scan of DC, did not find anything.
Thank you for all the help.