barracuda.vihn.net has one IP number , which also has a corresponding reverse pointer. vihn.net, ironm.com, mmeco.com, kokeoh.com, calagg.com and at least 96 other hosts use this as a mailserver. vihn.net is delegated to two nameservers, however one extra nameserver is listed in the zone. All of them are on different IP networks. Incoming mail for vihn.net is handled by one mailserver at vihn.net themselves. vihn.net has one IP number. barracuda.vihn.net is hosted on a server in United States.