--- version: rssac002v3 service: i.root-servers.net start-period: '2019-11-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6588305110 dns-udp-queries-received-ipv6: 1067799502 dns-tcp-queries-received-ipv4: 738010910 dns-tcp-queries-received-ipv6: 159068312 dns-udp-responses-sent-ipv4: 5459369436 dns-udp-responses-sent-ipv6: 965785311 dns-tcp-responses-sent-ipv4: 670558820 dns-tcp-responses-sent-ipv6: 153050550