When I visit http://www.okcfox.com a DNS query is made when loading the website to
The DNS server I am pointing to does not have a record for
When I try to load the page in IE, it repeatedly tries to acquire the DNS record at the expense of freezing IE until a timeout has passed (thirty seconds or so). I understand that I could just point to a new DNS server, but what I'm actually trying to figure out is why Firefox understands that our DNS server doesn't have a record and moves on with loading the rest of the page, but IE does not do this.
I've googled for quite a while and have come up with nothing.