82.167.168.in-addr.arpa is delegated to one nameserver, however one extra nameserver is listed in the zone. All nameservers are at botsnet.bw. They are on the same IP network. bi.co.bw, gr.co.bw, mma.co.bw, oos.co.bw, jsi.co.bw and at least 76 other hosts share nameservers with this domain. 167.168.in-addr.arpa is delegated to three nameservers, however two delegated nameservers are missing in the zone. All nameservers are at btc.bw. Two of them are on the same IP network.