--- version: rssac002v3 service: i.root-servers.net start-period: '2018-12-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5164781009 dns-udp-queries-received-ipv6: 1083764361 dns-tcp-queries-received-ipv4: 125931166 dns-tcp-queries-received-ipv6: 31092676 dns-udp-responses-sent-ipv4: 5079602720 dns-udp-responses-sent-ipv6: 1087037206 dns-tcp-responses-sent-ipv4: 123251024 dns-tcp-responses-sent-ipv6: 30100663