--- version: rssac002v3 service: i.root-servers.net start-period: '2018-03-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5897769782 dns-udp-queries-received-ipv6: 770172771 dns-tcp-queries-received-ipv4: 128730623 dns-tcp-queries-received-ipv6: 14545130 dns-udp-responses-sent-ipv4: 5894205983 dns-udp-responses-sent-ipv6: 766799447 dns-tcp-responses-sent-ipv4: 126636778 dns-tcp-responses-sent-ipv6: 14572978