--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5591104561 dns-udp-queries-received-ipv6: 643359943 dns-tcp-queries-received-ipv4: 72576680 dns-tcp-queries-received-ipv6: 8212835 dns-udp-responses-sent-ipv4: 5579736846 dns-udp-responses-sent-ipv6: 643165752 dns-tcp-responses-sent-ipv4: 73838579 dns-tcp-responses-sent-ipv6: 8342263