--- version: rssac002v3 service: i.root-servers.net start-period: '2017-05-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5015580817 dns-udp-queries-received-ipv6: 637856891 dns-tcp-queries-received-ipv4: 61128267 dns-tcp-queries-received-ipv6: 8272372 dns-udp-responses-sent-ipv4: 4996941567 dns-udp-responses-sent-ipv6: 639245910 dns-tcp-responses-sent-ipv4: 62185528 dns-tcp-responses-sent-ipv6: 8396424