--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6845169635 dns-udp-queries-received-ipv6: 783238831 dns-tcp-queries-received-ipv4: 73280637 dns-tcp-queries-received-ipv6: 8618312 dns-udp-responses-sent-ipv4: 6951538158 dns-udp-responses-sent-ipv6: 783139519 dns-tcp-responses-sent-ipv4: 75364341 dns-tcp-responses-sent-ipv6: 8549865