--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4636958323 dns-udp-queries-received-ipv6: 488412022 dns-tcp-queries-received-ipv4: 20218938 dns-tcp-queries-received-ipv6: 1085676 dns-udp-responses-sent-ipv4: 4614763087 dns-udp-responses-sent-ipv6: 488916716 dns-tcp-responses-sent-ipv4: 20572687 dns-tcp-responses-sent-ipv6: 1090409