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kassiopeia.mgi.de has one IP number , which also has a corresponding reverse pointer. mgi.de is a domain controlled by three nameservers. All of them are on different IP networks. Incoming mail for mgi.de is handled by one mailserver at metro.info. kassiopeia.mgi.de is hosted on a server in Germany.

kassiopeia.mgi.de
a records
 
+ 164.61.212.62 164.61.0.0/16 AS8569 -
+ --- -

mgi.de
ns-soa records
 
+   AS?  
+ ---  
ns records
ns.metro-ag.com
+ 194.156.63.4 194.156.60.0/22 AS23985 -
+ --- -
ns.metro.de
+ 164.61.210.4 164.61.0.0/16 AS8569 -
ns.metro.info
+ 164.139.12.4 164.139.12.0/22 AS39290 -
mx records
smtp.metro.info
+ 164.139.14.160 164.139.12.0/22 AS39290  
+ ---  
ip numbers of host
164.61.212.62
ptrs of ip numbers
kassiopeia.mgi.de
ip numbers using ptr to this host
164.61.212.62