--- version: rssac002v3 service: i.root-servers.net start-period: '2018-07-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6824864681 dns-udp-queries-received-ipv6: 1228376532 dns-tcp-queries-received-ipv4: 141947175 dns-tcp-queries-received-ipv6: 23661503 dns-udp-responses-sent-ipv4: 6880074889 dns-udp-responses-sent-ipv6: 1230461649 dns-tcp-responses-sent-ipv4: 139280527 dns-tcp-responses-sent-ipv6: 23440242