--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-02-21T00:00:00Z dns-udp-queries-received-ipv4: 3202110493 dns-udp-queries-received-ipv6: 831126426 dns-tcp-queries-received-ipv4: 102717291 dns-tcp-queries-received-ipv6: 60548975 dns-udp-responses-sent-ipv4: 3197180810 dns-udp-responses-sent-ipv6: 830960177 dns-tcp-responses-sent-ipv4: 84031720 dns-tcp-responses-sent-ipv6: 62140642