--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-02T00:00:00Z' dns-udp-queries-received-ipv4: 2651929605 dns-udp-queries-received-ipv6: 528720290 dns-tcp-queries-received-ipv4: 42172551 dns-tcp-queries-received-ipv6: 14450942 dns-udp-responses-sent-ipv4: 2624568656 dns-udp-responses-sent-ipv6: 527195803 dns-tcp-responses-sent-ipv4: 39993756 dns-tcp-responses-sent-ipv6: 13998781