go
troyboy.noc.s-dreams.net and rockbiter.noc.s-dreams.net are subdomains to this hostname. s-dreams.net is a domain controlled by two nameservers at s-dreams.net themselves. They are on different IP networks. Incoming mail for s-dreams.net is handled by one mailserver also at s-dreams.net. s-dreams.net has one IP number.

s-dreams.net
a records
 
+ 85.17.154.207 85.17.0.0/16 AS16265  
+ ---  
ns-soa records
ns.s-dreams.net
+   AS?  
+ ---  
ns records
ns.s-dreams.net
+   AS?  
+ ---  
ns2.s-dreams.net
+ 85.17.154.233 85.17.0.0/16 AS16265  
mx records
mail.s-dreams.net
+ 194.7.69.4 194.7.0.0/16 AS702  
+ ---  
subdomains
*.noc.s-dreams.net
rockbiter.noc.s-dreams.net
troyboy.noc.s-dreams.net