--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-03-02T00:00:00Z' dns-udp-queries-received-ipv4: 2337498140 dns-udp-queries-received-ipv6: 475754233 dns-tcp-queries-received-ipv4: 45243775 dns-tcp-queries-received-ipv6: 12220862 dns-udp-responses-sent-ipv4: 2319791060 dns-udp-responses-sent-ipv6: 473588058 dns-tcp-responses-sent-ipv4: 41949103 dns-tcp-responses-sent-ipv6: 11561037