--- version: rssac002v3 service: i.root-servers.net start-period: '2020-06-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6328102837 dns-udp-queries-received-ipv6: 1251974451 dns-tcp-queries-received-ipv4: 575211362 dns-tcp-queries-received-ipv6: 151262384 dns-udp-responses-sent-ipv4: 4914284847 dns-udp-responses-sent-ipv6: 1056919127 dns-tcp-responses-sent-ipv4: 470842430 dns-tcp-responses-sent-ipv6: 125580714