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Sorry, we have no information about caesar.raiffeisen.ch. raiffeisen.ch is a domain controlled by five nameservers. All of them are on different IP networks. Incoming mail for raiffeisen.ch is handled by two mailservers at raiffeisen.ch themselves. They are on the same IP network. raiffeisen.ch has one IP number.

raiffeisen.ch
a records
 
+ 91.206.104.65 91.206.104.0/23 AS15532  
+ ---  
ns-soa records
 
+   AS?  
+ ---  
ns records
ns1.ip-plus.net
+ 164.128.36.34 164.128.0.0/16 AS3303 -
+ --- -
ns1.sunrise.ch
+ 193.192.227.3 193.192.224.0/19 AS6730 -
ns2.sunrise.ch
+ 195.141.56.5 195.141.0.0/16 AS6730 -
ns3.sunrise.ch
+ 194.158.230.53 194.158.224.0/19 AS6730 -
ns4.sunrise.ch
+ 194.230.1.5 194.230.0.0/16 AS6730 -
mx records
rbiron1.raiffeisen.ch
+ 194.11.223.131 194.11.223.0/24 AS15532  
+ ---  
rbiron2.raiffeisen.ch
+ 194.11.223.132 194.11.223.0/24 AS15532  
ip numbers using ptr to this host
194.11.223.202