--- version: rssac002v3 service: i.root-servers.net start-period: '2016-09-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5569332391 dns-udp-queries-received-ipv6: 562409828 dns-tcp-queries-received-ipv4: 31742677 dns-tcp-queries-received-ipv6: 1559363 dns-udp-responses-sent-ipv4: 5487511068 dns-udp-responses-sent-ipv6: 562010294 dns-tcp-responses-sent-ipv4: 32732647 dns-tcp-responses-sent-ipv6: 1572721