ns1.ovh.es has one IP number , but the reverse is dns.ovh.net. ns2.ovh.net, ns5.ovh.net, ns7.ovh.net, ns4.ovh.net, ns9.ovh.net and at least 74 other hosts point to the same IP. ovh.es is a domain controlled by two nameservers at ovh.net. They are on different IP networks. Incoming mail for ovh.es is handled by three mailservers having a total of twelve IP numbers. All of them are on the same IP network. ovh.es has one IP number. ns1.ovh.es is hosted on a server in France even though the hostname implies Spain.