ns1.vs3.com has one IP number , but the reverse is host141.mzima.eqx-la3.vs3.com. vs.com, vs1.com, vs3.com, vs5.com, 36dd.com and at least 100 other hosts use this as a nameserver. vs3.com is delegated to three nameservers, however two extra nameservers are listed in the zone. All nameservers are at vs3.com themselves. Two of them are on the same IP network. Incoming mail for vs3.com is handled by one mailserver at vs5.com. vs3.com has one IP number. ns1.vs3.com is hosted on a server in United States.