mg1.arrival.net has one IP number , which also has a corresponding reverse pointer. mailspool.arrival.net cnames to this hostname. kduv.com, twcg.com, mgci.com, gmmf.net, i-c-l.com and at least 100 other hosts use this as a mailserver. arrival.net is delegated to three nameservers, however one extra nameserver is listed in the zone. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for arrival.net is handled by four mailservers at telepacific.net. Some of them are on the same IP network. arrival.net has one IP number. mg1.arrival.net is hosted on a server in United States.