This machine changed its IP address...
As mentioned, if you've got an entry in your hosts file giving the old 65.85.143.144 IP address, that needs to be changed. The IP switchover happened probably 3 or 4 weeks ago, so that might be it. The new IP address for z.iwethey.org is 65.86.176.63.
-YendorMike
Real programmers use "vi a.out".