--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5246046009 dns-udp-queries-received-ipv6: 677242843 dns-tcp-queries-received-ipv4: 82330560 dns-tcp-queries-received-ipv6: 9047863 dns-udp-responses-sent-ipv4: 5837902818 dns-udp-responses-sent-ipv6: 676669605 dns-tcp-responses-sent-ipv4: 84563265 dns-tcp-responses-sent-ipv6: 9208457