It's 'just' the DNS, if you add
64.17.172.249 amigakit.leamancomputing.comto your hosts file, it's working fine.
Looks like Tucows f**ked up the domain completely:
DNSstuff[edit]
No, their DNS server is resolving the name, the referral must be broken: F.GTLD-SERVERS.NET reports 'No A record' instead of referring on. Verisign is the
problem.