--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5932208138 dns-udp-queries-received-ipv6: 1090370557 dns-tcp-queries-received-ipv4: 518456340 dns-tcp-queries-received-ipv6: 125949135 dns-udp-responses-sent-ipv4: 5127700329 dns-udp-responses-sent-ipv6: 952750586 dns-tcp-responses-sent-ipv4: 491980807 dns-tcp-responses-sent-ipv6: 108187932