--- version: rssac002v3 service: i.root-servers.net start-period: '2019-11-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6591129186 dns-udp-queries-received-ipv6: 1397539732 dns-tcp-queries-received-ipv4: 611248572 dns-tcp-queries-received-ipv6: 141206785 dns-udp-responses-sent-ipv4: 5761521270 dns-udp-responses-sent-ipv6: 1307175911 dns-tcp-responses-sent-ipv4: 562997450 dns-tcp-responses-sent-ipv6: 137802720