--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5843510228 dns-udp-queries-received-ipv6: 836738408 dns-tcp-queries-received-ipv4: 133629027 dns-tcp-queries-received-ipv6: 18110397 dns-udp-responses-sent-ipv4: 5846440846 dns-udp-responses-sent-ipv6: 838097465 dns-tcp-responses-sent-ipv4: 130058732 dns-tcp-responses-sent-ipv6: 17983868