ndc.bg is a domain controlled by two nameservers. They are on different IP networks. Incoming mail for ndc.bg is handled by three mailservers at ndc.bg themselves. There are one duplicate ipnumber. Some of them are on the same IP network. isu.bg, swu.bg, ubb.bg, oab.bg, ing.bg and at least 100 other hosts share nameservers with this domain. fw.ndc.bg, ns.ndc.bg, mail.ndc.bg, cdu-w.ndc.bg, cdu-ma.ndc.bg and at least one other host are subdomains to this hostname.