0.153.210.in-addr.arpa is a domain controlled by three nameservers. All of them are on different IP networks. 365.st, vjc.jp, avex.jp, st-s.net, itij.net and at least 82 other hosts share nameservers with this domain. 153.210.in-addr.arpa is a domain controlled by five nameservers at dns.jp. All of them are on different IP networks.