go
a.ns.trespassers-w.net and b.ns.trespassers-w.net are subdomains to this hostname. trespassers-w.net is a domain controlled by two nameservers at ns.coptix.com. They are on different IP networks. trespassers-w.net has one IP number.

trespassers-w.net
a records
 
+ 64.203.102.35 64.203.96.0/20 AS25817  
+ ---  
ns-soa records
a.ns.coptix.com
+ 217.160.248.220 217.160.240.0/20 AS8560 u15149659.onlinehome-server.com
+ --- u15149659.onlinehome-server.com
ns records
a.ns.coptix.com
+ 217.160.248.220 217.160.240.0/20 AS8560 u15149659.onlinehome-server.com
+ --- u15149659.onlinehome-server.com
b.ns.coptix.com
+ 64.203.102.2 64.203.96.0/20 AS25817 mailer8.coptix.com
+ --- mailer8.coptix.com
subdomains
a.ns.trespassers-w.net
b.ns.trespassers-w.net