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Sorry, we have no information about fb.netporn.nl. netporn.nl is a domain controlled by three nameservers at flatbox-facilities.net. All of them are on different IP networks. Incoming mail for netporn.nl is handled by one mailserver at netporn.nl themselves. netporn.nl has one IP number.

netporn.nl
a records
 
+ 62.204.64.30 62.204.64.0/19 AS24730  
+ ---  
ns-soa records
ns1.flatbox-facilities.net
+ 62.204.64.101 62.204.64.0/19 AS24730 -
+ --- -
ns records
ns3.flatbox-facilities.net
+ 81.173.113.30 81.173.96.0/19 AS24730  
+ ---  
ns1.flatbox-facilities.net
+ 62.204.64.101 62.204.64.0/19 AS24730 -
+ --- -
ns2.flatbox-facilities.net
+ 85.17.148.61 85.17.0.0/16 AS16265 -
mx records
mail.netporn.nl
+ 62.204.64.15 62.204.64.0/19 AS24730 mail1.flatbox.nl
+ --- mail1.flatbox.nl
ip numbers using ptr to this host
62.204.64.30