--- version: rssac002v3 service: i.root-servers.net start-period: '2020-10-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6712795501 dns-udp-queries-received-ipv6: 1321095290 dns-tcp-queries-received-ipv4: 595087313 dns-tcp-queries-received-ipv6: 147136033 dns-udp-responses-sent-ipv4: 5004432756 dns-udp-responses-sent-ipv6: 1178430677 dns-tcp-responses-sent-ipv4: 481848058 dns-tcp-responses-sent-ipv6: 129289761