--- version: rssac002v3 service: i.root-servers.net start-period: '2016-07-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4688237396 dns-udp-queries-received-ipv6: 489890778 dns-tcp-queries-received-ipv4: 19480834 dns-tcp-queries-received-ipv6: 1036607 dns-udp-responses-sent-ipv4: 4657034023 dns-udp-responses-sent-ipv6: 490397774 dns-tcp-responses-sent-ipv4: 19529816 dns-tcp-responses-sent-ipv6: 1047116