239.18.in-addr.arpa.X2.AMAZONAWS.COMPDNS1.ULTRADNS.NETX1.AMAZONAWS.COMX3.AMAZONAWS.ORGX4.AMAZONAWS.ORGhttps://rdap.arin.net/registry/domain/239.18.in-addr.arpa.https://whois.arin.net/rest/rdns/239.18.in-addr.arpa.2022-01-21T15:18:44-05:00