--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5619059773 dns-udp-queries-received-ipv6: 1033109426 dns-tcp-queries-received-ipv4: 131681569 dns-tcp-queries-received-ipv6: 21629611 dns-udp-responses-sent-ipv4: 5593545417 dns-udp-responses-sent-ipv6: 1031299714 dns-tcp-responses-sent-ipv4: 128895566 dns-tcp-responses-sent-ipv6: 21424534