--- version: rssac002v3 service: i.root-servers.net start-period: '2018-09-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5029684416 dns-udp-queries-received-ipv6: 982537992 dns-tcp-queries-received-ipv4: 134665357 dns-tcp-queries-received-ipv6: 24339130 dns-udp-responses-sent-ipv4: 4929807715 dns-udp-responses-sent-ipv6: 987156657 dns-tcp-responses-sent-ipv4: 131116681 dns-tcp-responses-sent-ipv6: 23945992