--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-03-03T00:00:00Z' dns-udp-queries-received-ipv4: 2387212358 dns-udp-queries-received-ipv6: 489880987 dns-tcp-queries-received-ipv4: 49681539 dns-tcp-queries-received-ipv6: 13979074 dns-udp-responses-sent-ipv4: 2371240553 dns-udp-responses-sent-ipv6: 488589378 dns-tcp-responses-sent-ipv4: 46813123 dns-tcp-responses-sent-ipv6: 13382616