ns3.171.cl has one IP number , which is the same as for 171.cl, but no corresponding reverse pointer. 171.cl, cals.cl, fepasa.cl, reliper.cl, ns3.mts.cl and at least 22 other hosts point to the same IP. 171.cl use this as a nameserver. 171.cl is a domain controlled by two nameservers on the same IP network. ns3.171.cl is hosted on a server in Chile.