--- version: rssac002v3 service: i.root-servers.net start-period: '2019-11-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6726516435 dns-udp-queries-received-ipv6: 1192953968 dns-tcp-queries-received-ipv4: 682996389 dns-tcp-queries-received-ipv6: 152724164 dns-udp-responses-sent-ipv4: 5681393784 dns-udp-responses-sent-ipv6: 1099353236 dns-tcp-responses-sent-ipv4: 600290059 dns-tcp-responses-sent-ipv6: 146956647