--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5611519927 dns-udp-queries-received-ipv6: 1026247754 dns-tcp-queries-received-ipv4: 133913718 dns-tcp-queries-received-ipv6: 21849464 dns-udp-responses-sent-ipv4: 5593807476 dns-udp-responses-sent-ipv6: 1025240795 dns-tcp-responses-sent-ipv4: 131000160 dns-tcp-responses-sent-ipv6: 21635600