--- version: rssac002v3 service: i.root-servers.net start-period: '2019-10-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6336788913 dns-udp-queries-received-ipv6: 1137874629 dns-tcp-queries-received-ipv4: 584261025 dns-tcp-queries-received-ipv6: 161741909 dns-udp-responses-sent-ipv4: 4905660738 dns-udp-responses-sent-ipv6: 837184915 dns-tcp-responses-sent-ipv4: 502135337 dns-tcp-responses-sent-ipv6: 135414320