--- version: rssac002v3 service: i.root-servers.net start-period: '2018-06-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5424947621 dns-udp-queries-received-ipv6: 973487704 dns-tcp-queries-received-ipv4: 121563997 dns-tcp-queries-received-ipv6: 19654984 dns-udp-responses-sent-ipv4: 5429170710 dns-udp-responses-sent-ipv6: 971778952 dns-tcp-responses-sent-ipv4: 118384179 dns-tcp-responses-sent-ipv6: 19497610