--- service: e.root-servers.net version: rssac002v3 start-period: '2019-04-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8856920457 dns-udp-queries-received-ipv6: 2026474987 dns-tcp-queries-received-ipv4: 230127160 dns-tcp-queries-received-ipv6: 25045980 dns-udp-responses-sent-ipv4: 8856920457 dns-udp-responses-sent-ipv6: 2026474987 dns-tcp-responses-sent-ipv4: 230127160 dns-tcp-responses-sent-ipv6: 25045980