--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-04-28T00:00:00Z dns-udp-queries-received-ipv4: 3981768007 dns-udp-queries-received-ipv6: 1047728858 dns-tcp-queries-received-ipv4: 132106368 dns-tcp-queries-received-ipv6: 81804101 dns-udp-responses-sent-ipv4: 3971221619 dns-udp-responses-sent-ipv6: 1047495292 dns-tcp-responses-sent-ipv4: 135058840 dns-tcp-responses-sent-ipv6: 84041748