--- version: rssac002v3 service: i.root-servers.net start-period: '2019-07-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 90174266 dns-udp-queries-received-ipv6: 21401667 dns-tcp-queries-received-ipv4: 1710286 dns-tcp-queries-received-ipv6: 44595 dns-udp-responses-sent-ipv4: 94810891 dns-udp-responses-sent-ipv6: 21401675 dns-tcp-responses-sent-ipv4: 1740708 dns-tcp-responses-sent-ipv6: 44628