--- version: rssac002v3 service: i.root-servers.net start-period: '2016-09-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5853401584 dns-udp-queries-received-ipv6: 539911049 dns-tcp-queries-received-ipv4: 37390856 dns-tcp-queries-received-ipv6: 1453867 dns-udp-responses-sent-ipv4: 5865881643 dns-udp-responses-sent-ipv6: 540980417 dns-tcp-responses-sent-ipv4: 39205899 dns-tcp-responses-sent-ipv6: 1466275