--- version: rssac002v3 service: i.root-servers.net start-period: '2019-11-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6377740732 dns-udp-queries-received-ipv6: 1394948455 dns-tcp-queries-received-ipv4: 612327902 dns-tcp-queries-received-ipv6: 134787801 dns-udp-responses-sent-ipv4: 5428692640 dns-udp-responses-sent-ipv6: 1277171976 dns-tcp-responses-sent-ipv4: 543044996 dns-tcp-responses-sent-ipv6: 133074556