go
mx01.perfora.net has one IP number , which also has a corresponding reverse pointer. mx.1and1.com, mx01.jobr.net, mx.perfora.net, mx01.1and1.com, mx01.webwise.gr and at least 20 other hosts point to the same IP. netreliant.com and srs.perfora.net use this as a mailserver. perfora.net is delegated to two nameservers, however both delegated nameservers are missing in the zone and two other nameservers are listed instead. There are two duplicated IP numbers. Some of them are on the same IP network. Incoming mail for perfora.net is handled by two mailservers having a total of four IP numbers. All of them are on the same IP network. perfora.net has one IP number. mx01.perfora.net is hosted on a server in United States.

mx01.perfora.net
a records
 
+ 74.208.5.4 74.208.0.0/16 AS8560 -
+ --- -

perfora.net
a records
 
+ 212.227.133.20 212.227.0.0/16 AS8560  
+ ---  
ns-soa records
 
+   AS?  
+ ---  
ns records
ns27.1and1.com
+ 74.208.2.3 74.208.0.0/16 AS8560 -
+ --- -
ns28.1and1.com
+ 74.208.3.3 74.208.0.0/16 AS8560 -
ns27.perfora.net
+ 74.208.2.3 74.208.0.0/16 AS8560 ns27.1and1.com
+ --- ns27.1and1.com
ns28.perfora.net
+ 74.208.3.3 74.208.0.0/16 AS8560 ns28.1and1.com
+ --- ns28.1and1.com
mx records
mxi00.1und1.com
+ 212.227.15.134 212.227.0.0/16 AS8560 mx-b.kundenserver.de
+ --- mx-b.kundenserver.de
+ 212.227.15.169 212.227.0.0/16 AS8560 mx-b.kundenserver.de
mxi01.1und1.com
+ 212.227.15.150 212.227.0.0/16 AS8560 mx-b.kundenserver.de
+ 212.227.15.186 212.227.0.0/16 AS8560 mx-b.kundenserver.de
ip numbers of host
74.208.5.4
ptrs of ip numbers
mx01.perfora.net
hostnames sharing ip with a-records
hermes.rjstas.net
mail.badasshouse.com
mail.centerpoint.net
mail.coppergifts.com
mail.hibberts.org
mail.randolphcountyheraldtribune.com
mail1.chadmoran.com
mail1.jasonandbecky.com
mail1.netforttechnologies.com
mail2.krtconsulting.com
mx.1and1.com
mx.denverhosting.net
mx.perfora.net
mx01.1and1.com
mx01.aspenmediasolutions.com
mx01.builderconsulting.com
mx01.goldmountainhosting.com
mx01.jobr.net
mx01.kluster.com
mx01.uaemall.com
mx01.webwise.gr
mx01.webwisehellas.gr
mx2.aircraftmailer.com
mx2.entrustsupport.com
mx2.thoughtmentor.com
domains using this as mailserver
netreliant.com
srs.perfora.net
domains using this as mailserver under another name
1888wineplus.com
aircraftmailer.com
al-qaedah.net
badasshouse.com
cybermelody.com
gobanzai.com
goldmountainhosting.com
incbox.com
jobsbay.com
namheui.com
randolphcountyheraldtribune.com
sailzen.com
virtualcellar.com
wallaware.com
nameservers missing in parent delegation
ns27.1and1.com
ns28.1and1.com
nameservers missing in zone
ns27.perfora.net
ns28.perfora.net