why not use the dig command to query your isp dns system to see if they forward requests to opendns. By the way, OpenDNS is a great way to help prevent phishing attacks. Lastly, you should use this opp to create a opendns signon, this will give you control over your dns request options. You could block any domain via dns quikly. On 7/8/08, Lanny Marcus <lmmailinglists at gmail.com> wrote: > On 7/8/08, Bill Campbell <centos at celestial.com> wrote: >> >> On Tue, Jul 08, 2008, Lanny Marcus wrote: >> >I believe this is completely OT, but I want to be positive. I have a >> > fully >> >up to date CentOS 5.2 box. During the past week, when surfing with >> > Firefox >> >(and today, while testing with Konqueror), frequently, especially when >> > DNS >> >is slow, I am seeing references to opendns.com At times, I end up on >> >opendns.com web pages, instead of at the web site I'm trying to get >> to. My >> >ISP, the phone company, claims this is not coming from their end and that >> >they are not using opendns.com. I was told they have two (2) DNS servers. >> I >> >haven't changed anything in my IPCop Firewall/Router box and my belief is >> >that this is coming from my ISP or upstream from there. . If using >> >opendns.com is something new in CentOS 5.2, please let me know. TIA. >> >> I would suggest that you set up your own caching dns server, and don't >> depend on your ISP's. > > > We use dnscache from djbdns, avoiding BIND (Buggy Internet Name Daemon). > > > Interesting idea! I will read the IPCop documentation, to see if I can do > that on my IPCop box. > If not, I'm interested in SME Server, if that will do the job. What I don't > like about SME Server is that their documentation isn't available for > download. I like to have local documentation on my hard drive. My strong > belief is that this is coming from my ISP, but they claim I'm the only one > with this problem. I can't imagine that it would be coming from the OS and > nothing has changed in my IPCop box. ISP's like to claim that problems > are on the users end, rather than on their end. Once or twice, I've pointed > out a problem to a previous ISP, been told there was no problem, and then > later, they tell me that yes, they had a problem.... The phone company is > the best ISP I have had, so far, and they seem to be "pro active" and > usually they fix problems, without me calling them, which I truly appreciate > and respect. >