--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-03-07T00:00:00Z dns-udp-queries-received-ipv4: 3365144174 dns-udp-queries-received-ipv6: 841195973 dns-tcp-queries-received-ipv4: 102833826 dns-tcp-queries-received-ipv6: 56639797 dns-udp-responses-sent-ipv4: 3359497054 dns-udp-responses-sent-ipv6: 840998863 dns-tcp-responses-sent-ipv4: 86137682 dns-tcp-responses-sent-ipv6: 58498409