--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5234396165 dns-udp-queries-received-ipv6: 911687330 dns-tcp-queries-received-ipv4: 130014142 dns-tcp-queries-received-ipv6: 19949874 dns-udp-responses-sent-ipv4: 5200214347 dns-udp-responses-sent-ipv6: 909703637 dns-tcp-responses-sent-ipv4: 127253180 dns-tcp-responses-sent-ipv6: 19736699