--- version: rssac002v3 service: i.root-servers.net start-period: '2017-06-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6720593744 dns-udp-queries-received-ipv6: 688238854 dns-tcp-queries-received-ipv4: 83551193 dns-tcp-queries-received-ipv6: 10645537 dns-udp-responses-sent-ipv4: 6764353917 dns-udp-responses-sent-ipv6: 686820958 dns-tcp-responses-sent-ipv4: 85462122 dns-tcp-responses-sent-ipv6: 10939359