ns1.leaseweb.nl has one IP number , which also has a corresponding reverse pointer. srv1-micasa.ma point to the same IP. sqm.nl, edf.nl, swr.nl, ffp.nl, cahn.nl and at least 100 other hosts use this as a nameserver. leaseweb.nl is a domain controlled by three nameservers. Two of them are on the same IP network. Incoming mail for leaseweb.nl is handled by one mailserver having a total of two IP numbers. They are on the same IP network. leaseweb.nl has one IP number. ns1.leaseweb.nl is hosted on a server in Netherlands.