35.70.131.in-addr.arpa is delegated to two nameservers, however both delegated nameservers are missing in the zone. All nameservers are at dla.mil. They are on different IP networks. dla.mil, daps.mil, hq.dla.mil, hr.dla.mil, cap.af.mil and at least 56 other hosts share nameservers with this domain. 70.131.in-addr.arpa is a domain controlled by three nameservers also at dla.mil. All of them are on different IP networks.