--- version: rssac002v3 service: i.root-servers.net start-period: '2019-05-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6461723148 dns-udp-queries-received-ipv6: 1147111863 dns-tcp-queries-received-ipv4: 109132002 dns-tcp-queries-received-ipv6: 19736022 dns-udp-responses-sent-ipv4: 6458067684 dns-udp-responses-sent-ipv6: 1165081150 dns-tcp-responses-sent-ipv4: 105954653 dns-tcp-responses-sent-ipv6: 19590706