go
ns1.lax.pedn.net and ns2.lax.pedn.net are subdomains to this hostname. pedn.net is delegated to five nameservers, however all five delegated nameservers are missing in the zone. Some of them are on the same IP network.

pedn.net
ns records
ns21.customer.level3.net
+ 209.244.5.84 209.244.0.0/14 AS3356 -
+ --- -
ns1-chi.playboy.com
+ 216.163.136.24 216.163.136.0/23 AS14068 -
ns2-chi.playboy.com
+ 216.163.136.34 216.163.136.0/23 AS14068 -
ns29.customer.level3.net
+ 209.244.5.212 209.244.0.0/14 AS3356 -
ns15.customer.level3.net
+ 209.244.4.244 209.244.0.0/14 AS3356 -
subdomains
*.lax.pedn.net
ns1.lax.pedn.net
ns2.lax.pedn.net
nameservers missing in zone
ns1-chi.playboy.com
ns15.customer.level3.net
ns2-chi.playboy.com
ns21.customer.level3.net
ns29.customer.level3.net