--- version: rssac002v3 service: i.root-servers.net start-period: '2017-05-01T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5405435407 dns-udp-queries-received-ipv6: 659988723 dns-tcp-queries-received-ipv4: 73309261 dns-tcp-queries-received-ipv6: 8338221 dns-udp-responses-sent-ipv4: 5384228256 dns-udp-responses-sent-ipv6: 659696643 dns-tcp-responses-sent-ipv4: 74650057 dns-tcp-responses-sent-ipv6: 8519306