--- version: rssac002v3 service: i.root-servers.net start-period: '2019-07-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 82959945 dns-udp-queries-received-ipv6: 19274366 dns-tcp-queries-received-ipv4: 1599640 dns-tcp-queries-received-ipv6: 44280 dns-udp-responses-sent-ipv4: 84851073 dns-udp-responses-sent-ipv6: 19274359 dns-tcp-responses-sent-ipv4: 1626535 dns-tcp-responses-sent-ipv6: 44326