--- version: rssac002v3 service: i.root-servers.net start-period: '2018-10-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5766145915 dns-udp-queries-received-ipv6: 1037198312 dns-tcp-queries-received-ipv4: 145088243 dns-tcp-queries-received-ipv6: 25622577 dns-udp-responses-sent-ipv4: 5754841437 dns-udp-responses-sent-ipv6: 1043338557 dns-tcp-responses-sent-ipv4: 143188007 dns-tcp-responses-sent-ipv6: 25401966