--- version: rssac002v3 service: i.root-servers.net start-period: '2017-12-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4641453693 dns-udp-queries-received-ipv6: 674408745 dns-tcp-queries-received-ipv4: 79601996 dns-tcp-queries-received-ipv6: 13440130 dns-udp-responses-sent-ipv4: 4631750116 dns-udp-responses-sent-ipv6: 668290918 dns-tcp-responses-sent-ipv4: 79828929 dns-tcp-responses-sent-ipv6: 13515548