--- version: rssac002v3 service: i.root-servers.net start-period: '2018-01-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4970181186 dns-udp-queries-received-ipv6: 680302326 dns-tcp-queries-received-ipv4: 86796488 dns-tcp-queries-received-ipv6: 13588883 dns-udp-responses-sent-ipv4: 5068464449 dns-udp-responses-sent-ipv6: 673465474 dns-tcp-responses-sent-ipv4: 87305035 dns-tcp-responses-sent-ipv6: 13612014