--- version: rssac002v3 service: i.root-servers.net start-period: '2017-04-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5422638170 dns-udp-queries-received-ipv6: 725241456 dns-tcp-queries-received-ipv4: 71776111 dns-tcp-queries-received-ipv6: 7918646 dns-udp-responses-sent-ipv4: 5410277986 dns-udp-responses-sent-ipv6: 724770916 dns-tcp-responses-sent-ipv4: 72784529 dns-tcp-responses-sent-ipv6: 8123662