--- version: rssac002v3 service: i.root-servers.net start-period: '2016-06-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4417802371 dns-udp-queries-received-ipv6: 513858820 dns-tcp-queries-received-ipv4: 21967173 dns-tcp-queries-received-ipv6: 1041689 dns-udp-responses-sent-ipv4: 4417092704 dns-udp-responses-sent-ipv6: 513463103 dns-tcp-responses-sent-ipv4: 22240097 dns-tcp-responses-sent-ipv6: 1052737