--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-03-02T00:00:00Z dns-udp-queries-received-ipv4: 3836652940 dns-udp-queries-received-ipv6: 1044168564 dns-tcp-queries-received-ipv4: 112355541 dns-tcp-queries-received-ipv6: 80013220 dns-udp-responses-sent-ipv4: 3828360698 dns-udp-responses-sent-ipv6: 1043941987 dns-tcp-responses-sent-ipv4: 93368130 dns-tcp-responses-sent-ipv6: 82045856