ns9.onx.com has one IP number , which also has a corresponding reverse pointer. onx.com, duca.com, xdocs.ca, uucu.com, mopar.ca and at least 100 other hosts use this as a nameserver. onx.com is a domain controlled by four nameservers. Some of them are on the same IP network. Incoming mail for onx.com is handled by one mailserver at onx.com themselves. onx.com has one IP number. ns9.onx.com is hosted on a server in Canada.