161.15.in-addr.arpa.NS1-16-EU-SOUTH-1.EC2-RDNS.AMAZONAWS.COMNS4-16-EU-SOUTH-1.EC2-RDNS.AMAZONAWS.COMNS2-16-EU-SOUTH-1.EC2-RDNS.AMAZONAWS.COMNS3-16-EU-SOUTH-1.EC2-RDNS.AMAZONAWS.COMhttps://rdap.arin.net/registry/domain/161.15.in-addr.arpa.https://whois.arin.net/rest/rdns/161.15.in-addr.arpa.2022-01-31T12:53:42-05:00