--- version: rssac002v3 service: i.root-servers.net start-period: '2018-05-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6234253461 dns-udp-queries-received-ipv6: 659787976 dns-tcp-queries-received-ipv4: 139976004 dns-tcp-queries-received-ipv6: 18536853 dns-udp-responses-sent-ipv4: 6322511986 dns-udp-responses-sent-ipv6: 680277874 dns-tcp-responses-sent-ipv4: 137750296 dns-tcp-responses-sent-ipv6: 18514386