--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-04-09T00:00:00Z' dns-udp-queries-received-ipv4: 1447462966 dns-udp-queries-received-ipv6: 263546022 dns-tcp-queries-received-ipv4: 18992737 dns-tcp-queries-received-ipv6: 6273507 dns-udp-responses-sent-ipv4: 1434625427 dns-udp-responses-sent-ipv6: 262483074 dns-tcp-responses-sent-ipv4: 17699896 dns-tcp-responses-sent-ipv6: 5985743