15.131.142.in-addr.arpa is a domain controlled by four nameservers at q9.com. Two of them are on the same IP network. tng.ca, cicl.ca, cctmsw.com, iupload.com, mynissan.ca and at least 31 other hosts share nameservers with this domain. 131.142.in-addr.arpa is delegated to two nameservers, however two extra nameservers are listed in the zone. All nameservers are also at q9.com. Two of them are on the same IP network.