99.52.in-addr.arpa.NS4-09.AZURE-DNS.INFONS2-09.AZURE-DNS.NETNS1-09.AZURE-DNS.COMNS3-09.AZURE-DNS.ORGhttps://rdap.arin.net/registry/domain/99.52.in-addr.arpa.https://whois.arin.net/rest/rdns/99.52.in-addr.arpa.2020-04-29T13:08:12-04:00