--- version: rssac002v3 service: i.root-servers.net start-period: '2017-09-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6112876456 dns-udp-queries-received-ipv6: 613428234 dns-tcp-queries-received-ipv4: 110368710 dns-tcp-queries-received-ipv6: 11615265 dns-udp-responses-sent-ipv4: 6130338281 dns-udp-responses-sent-ipv6: 610733037 dns-tcp-responses-sent-ipv4: 111619672 dns-tcp-responses-sent-ipv6: 11819265