--- version: rssac002v3 service: i.root-servers.net start-period: '2017-02-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6775113474 dns-udp-queries-received-ipv6: 801933638 dns-tcp-queries-received-ipv4: 88602530 dns-tcp-queries-received-ipv6: 7135582 dns-udp-responses-sent-ipv4: 6811812118 dns-udp-responses-sent-ipv6: 802819655 dns-tcp-responses-sent-ipv4: 90973051 dns-tcp-responses-sent-ipv6: 7174977