bi.com.es is a domain controlled by two nameservers at nlhosting.net. They are on the same IP network. Incoming mail for bi.com.es is handled by one mailserver at bi.com.es themselves. bi.com.es has one IP number , but the reverse is messageboard.nl. beo.es, sex.ec, aan.es, arcs.es, clau.es and at least 100 other hosts point to the same IP. 500.nl, ftk.nl, w-e.nl, vcp.nu, tfn.be and at least 56 other hosts share nameservers with this domain. mail.bi.com.es are subdomains to this hostname. com.es is a domain controlled by six nameservers. All of them are on different IP networks. bi.com.es is hosted on a server in Netherlands even though the hostname implies Spain.