--- version: rssac002v3 service: i.root-servers.net start-period: '2017-01-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6415912935 dns-udp-queries-received-ipv6: 779778457 dns-tcp-queries-received-ipv4: 66561211 dns-tcp-queries-received-ipv6: 7067256 dns-udp-responses-sent-ipv4: 6403233120 dns-udp-responses-sent-ipv6: 778534352 dns-tcp-responses-sent-ipv4: 68201605 dns-tcp-responses-sent-ipv6: 7099464