--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5601407733 dns-udp-queries-received-ipv6: 966804924 dns-tcp-queries-received-ipv4: 136484606 dns-tcp-queries-received-ipv6: 20233235 dns-udp-responses-sent-ipv4: 5570484296 dns-udp-responses-sent-ipv6: 965440204 dns-tcp-responses-sent-ipv4: 133701410 dns-tcp-responses-sent-ipv6: 20009630