--- version: rssac002v3 service: k.root-servers.net start-period: 2018-12-07T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 5315159924 dns-udp-queries-received-ipv6: 1069156046 dns-tcp-queries-received-ipv4: 107354164 dns-tcp-queries-received-ipv6: 22341562 dns-udp-responses-sent-ipv4: 5313104901 dns-udp-responses-sent-ipv6: 1068273285 dns-tcp-responses-sent-ipv4: 103038926 dns-tcp-responses-sent-ipv6: 20917620