--- version: rssac002v3 service: i.root-servers.net start-period: '2018-02-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5039810152 dns-udp-queries-received-ipv6: 712445435 dns-tcp-queries-received-ipv4: 95866562 dns-tcp-queries-received-ipv6: 14285280 dns-udp-responses-sent-ipv4: 5064503351 dns-udp-responses-sent-ipv6: 707782649 dns-tcp-responses-sent-ipv4: 96711682 dns-tcp-responses-sent-ipv6: 14326785