I have a bunch of sites and I'm concerned that some or at least one of them have nameservers that aren't working properly for everybody. Here's what has me concerned, my site http://www.clipupload.com comes up fine for me from multiple computers using different ISPs and I've changed my local DNS settings to use another DNS and the site still comes up, but when I try to submit any link from my clipupload site to dig(g) it will not accept the URL. I've had nameserver issues in the past and am wondering if I'm having them again. Is there a way or site that I can have check my sites from all around the world or something that will go through and check my sites from all sorts of DNSes and show me if any aren't resolving? I hate to ask for people to check all of my sites every time I have concerns about this issue, and am hoping for some utility or site that can help, but as a last resort I would accept asking users to visit my sites, but I have a few which makes it even more of a concern. Please help!