--- version: rssac002v3 service: i.root-servers.net start-period: '2019-07-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 90744900 dns-udp-queries-received-ipv6: 21617334 dns-tcp-queries-received-ipv4: 1642018 dns-tcp-queries-received-ipv6: 44365 dns-udp-responses-sent-ipv4: 95881154 dns-udp-responses-sent-ipv6: 21617328 dns-tcp-responses-sent-ipv4: 1671623 dns-tcp-responses-sent-ipv6: 44458