biz ("404") is a domain controlled by seven nameservers at gtld.biz. Two of them are on the same IP network. us, 4u.com and gtld.biz share nameservers with this domain. hug.biz, upc.biz, e-lc.biz, myra.biz, genc.biz and at least 100 other hosts are subdomains to this hostname.