16.20.in-addr.arpa.NS2-03.AZURE-DNS.NETNS4-03.AZURE-DNS.INFONS3-03.AZURE-DNS.ORGNS1-03.AZURE-DNS.COMhttps://rdap.arin.net/registry/domain/16.20.in-addr.arpa.https://whois.arin.net/rest/rdns/16.20.in-addr.arpa.2020-04-30T13:36:36-04:00