--- version: rssac002v3 service: i.root-servers.net start-period: '2016-09-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5000251878 dns-udp-queries-received-ipv6: 501612974 dns-tcp-queries-received-ipv4: 29137178 dns-tcp-queries-received-ipv6: 1199605 dns-udp-responses-sent-ipv4: 4930838363 dns-udp-responses-sent-ipv6: 501571021 dns-tcp-responses-sent-ipv4: 30066217 dns-tcp-responses-sent-ipv6: 1210555