Summary
99.17.216.in-addr.arpa is delegated to two nameservers, however both delegated nameservers are missing in the zone and three other nameservers are listed. Two nameservers have the same IP number. All of them are on the same IP network.
hmx.com,
coeds.net,
38dds.com,
mvogs.com,
leanfx.com and at least 62 other hosts share nameservers with this domain.