s04.imco.nl has one IP number , which is the same as for imco.nl. s04.imco.nl also has a corresponding reverse pointer. imco.nl, chck.com, 17cash.com, dwbill.com, 17mail.com and at least 81 other hosts point to the same IP. imco.nl is a domain controlled by two nameservers on different IP networks. Incoming mail for imco.nl is handled by one mailserver at imco.nl themselves. s04.imco.nl is hosted on a server in Netherlands.