Search:

Through the years I have come back to the same lesson again and again: when all else fails, ask your hosting provider to help you out with DNS issues. They can usually spot the problem right away...

Those are pretty normal TTL values. It's kind of odd.

I can reach your Website from three proxies but not here at work. If I run traceroute from one of the proxy servers it shows me the same IP...

You should test the traceroute with some of the public tools that resolve a domain name back from many university servers.

Do you know what the TTL (time to live) value is set to for your domain...