--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6983658855 dns-udp-queries-received-ipv6: 753507471 dns-tcp-queries-received-ipv4: 71721861 dns-tcp-queries-received-ipv6: 7829598 dns-udp-responses-sent-ipv4: 7104280135 dns-udp-responses-sent-ipv6: 753136917 dns-tcp-responses-sent-ipv4: 74323417 dns-tcp-responses-sent-ipv6: 7926420