--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6002340123 dns-udp-queries-received-ipv6: 753399902 dns-tcp-queries-received-ipv4: 65722432 dns-tcp-queries-received-ipv6: 6523905 dns-udp-responses-sent-ipv4: 6104335108 dns-udp-responses-sent-ipv6: 753492720 dns-tcp-responses-sent-ipv4: 67558496 dns-tcp-responses-sent-ipv6: 6582899