--- version: rssac002v3 service: i.root-servers.net start-period: '2018-11-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5575924567 dns-udp-queries-received-ipv6: 1079828701 dns-tcp-queries-received-ipv4: 135156757 dns-tcp-queries-received-ipv6: 34135892 dns-udp-responses-sent-ipv4: 5513672475 dns-udp-responses-sent-ipv6: 1082742085 dns-tcp-responses-sent-ipv4: 133024707 dns-tcp-responses-sent-ipv6: 33276577