--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5317877356 dns-udp-queries-received-ipv6: 1003439631 dns-tcp-queries-received-ipv4: 108105558 dns-tcp-queries-received-ipv6: 19746261 dns-udp-responses-sent-ipv4: 5294242739 dns-udp-responses-sent-ipv6: 1001792904 dns-tcp-responses-sent-ipv4: 105599520 dns-tcp-responses-sent-ipv6: 19563870