--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6169591545 dns-udp-queries-received-ipv6: 728375832 dns-tcp-queries-received-ipv4: 67093734 dns-tcp-queries-received-ipv6: 7816730 dns-udp-responses-sent-ipv4: 6283345158 dns-udp-responses-sent-ipv6: 727594400 dns-tcp-responses-sent-ipv4: 68960562 dns-tcp-responses-sent-ipv6: 7919291