--- version: rssac002v3 service: i.root-servers.net start-period: '2017-01-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6450579099 dns-udp-queries-received-ipv6: 747138858 dns-tcp-queries-received-ipv4: 75948512 dns-tcp-queries-received-ipv6: 7229563 dns-udp-responses-sent-ipv4: 6437856731 dns-udp-responses-sent-ipv6: 747683181 dns-tcp-responses-sent-ipv4: 77914647 dns-tcp-responses-sent-ipv6: 7301588