--- version: rssac002v3 service: i.root-servers.net start-period: '2017-02-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6737585408 dns-udp-queries-received-ipv6: 812764914 dns-tcp-queries-received-ipv4: 90703933 dns-tcp-queries-received-ipv6: 7230703 dns-udp-responses-sent-ipv4: 6746181978 dns-udp-responses-sent-ipv6: 813113265 dns-tcp-responses-sent-ipv4: 93173682 dns-tcp-responses-sent-ipv6: 7314702