--- version: rssac002v3 service: i.root-servers.net start-period: '2019-10-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5964582716 dns-udp-queries-received-ipv6: 1197974160 dns-tcp-queries-received-ipv4: 621363879 dns-tcp-queries-received-ipv6: 174907771 dns-udp-responses-sent-ipv4: 4769872400 dns-udp-responses-sent-ipv6: 889268698 dns-tcp-responses-sent-ipv4: 533756320 dns-tcp-responses-sent-ipv6: 148394119