--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-08-09T00:00:00Z' dns-udp-queries-received-ipv4: 2998949946 dns-udp-queries-received-ipv6: 653900420 dns-tcp-queries-received-ipv4: 58085920 dns-tcp-queries-received-ipv6: 15502049 dns-udp-responses-sent-ipv4: 2957919309 dns-udp-responses-sent-ipv6: 654649337 dns-tcp-responses-sent-ipv4: 42694741 dns-tcp-responses-sent-ipv6: 11876683