Summary
mx00.1and1.com has one IP number , but the reverse is
mx00.perfora.net.
mx00.jobr.net,
mx00.lnsemi.com,
mx00.sgsemi.com,
mx00.kluster.com,
mx00.uediebank.com and at least eight other hosts cnames to this hostname.
mx.1and1.com,
mail.divot.tv,
mail.iwic.net,
mx.uaemall.com,
mx.perfora.net and at least 22 other hosts point to the same IP.
badcomp.net,
profinservices.us and
fus1ondesigns.com use this as a nameserver.
ben.us,
mrci.bz,
bgmc.net,
thetp.com,
oplag.net and at least 100 other hosts use this as a mailserver.
1and1.com is a domain controlled by two nameservers at
1and1.com themselves. They are on the same IP network. Incoming mail for
1and1.com is handled by three mailservers at
schlund.de. All of them are on the same IP network.
1and1.com has one IP number.
mx00.1and1.com is hosted on a server in United States.