--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5658243022 dns-udp-queries-received-ipv6: 1040518808 dns-tcp-queries-received-ipv4: 143273855 dns-tcp-queries-received-ipv6: 26858028 dns-udp-responses-sent-ipv4: 5647295686 dns-udp-responses-sent-ipv6: 1041243117 dns-tcp-responses-sent-ipv4: 140518656 dns-tcp-responses-sent-ipv6: 26564048