--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3948435028 dns-udp-queries-received-ipv6: 462032551 dns-tcp-queries-received-ipv4: 19968297 dns-tcp-queries-received-ipv6: 963320 dns-udp-responses-sent-ipv4: 3894274504 dns-udp-responses-sent-ipv6: 497097780 dns-tcp-responses-sent-ipv4: 20684789 dns-tcp-responses-sent-ipv6: 967807