--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4617279440 dns-udp-queries-received-ipv6: 647806927 dns-tcp-queries-received-ipv4: 81356637 dns-tcp-queries-received-ipv6: 13095846 dns-udp-responses-sent-ipv4: 4715190398 dns-udp-responses-sent-ipv6: 643755931 dns-tcp-responses-sent-ipv4: 81820623 dns-tcp-responses-sent-ipv6: 13126793