--- version: rssac002v3 service: i.root-servers.net start-period: '2017-02-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6731600967 dns-udp-queries-received-ipv6: 769042739 dns-tcp-queries-received-ipv4: 93230435 dns-tcp-queries-received-ipv6: 7449646 dns-udp-responses-sent-ipv4: 6750280107 dns-udp-responses-sent-ipv6: 770267877 dns-tcp-responses-sent-ipv4: 94613928 dns-tcp-responses-sent-ipv6: 7518684