Summary
mx20.interferr.com has one IP number , which is the same as for
interferr.com, but the reverse is
41.142.223.82.arsystel.com.
cdc.es,
mavi.es,
ferr.net,
gambon.es,
averly.es and at least 30 other hosts point to the same IP.
mavi.es,
ferr.net,
gambon.es,
averly.es,
umbelco.es and at least 14 other hosts use this as a mailserver.
interferr.com is delegated to three nameservers, however one delegated nameserver is missing in the zone. All nameservers are at
interferr.com themselves. Two nameservers have the same IP number. Some of them are on the same IP network. Incoming mail for
interferr.com is handled by two mailservers also at
interferr.com. They are on the same IP network.
mx20.interferr.com is hosted on a server in Spain.