--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5928537018 dns-udp-queries-received-ipv6: 717999948 dns-tcp-queries-received-ipv4: 130398247 dns-tcp-queries-received-ipv6: 15674521 dns-udp-responses-sent-ipv4: 6005691130 dns-udp-responses-sent-ipv6: 741353475 dns-tcp-responses-sent-ipv4: 128998505 dns-tcp-responses-sent-ipv6: 15674079