--- version: rssac002v3 service: i.root-servers.net start-period: '2018-10-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5509316501 dns-udp-queries-received-ipv6: 1072301450 dns-tcp-queries-received-ipv4: 126546572 dns-tcp-queries-received-ipv6: 21849188 dns-udp-responses-sent-ipv4: 5446361514 dns-udp-responses-sent-ipv6: 1079698419 dns-tcp-responses-sent-ipv4: 125350655 dns-tcp-responses-sent-ipv6: 21680713