--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-12T00:00:00Z' dns-udp-queries-received-ipv4: 3094617687 dns-udp-queries-received-ipv6: 605925076 dns-tcp-queries-received-ipv4: 66932439 dns-tcp-queries-received-ipv6: 16337096 dns-udp-responses-sent-ipv4: 3058276468 dns-udp-responses-sent-ipv6: 605088094 dns-tcp-responses-sent-ipv4: 43397569 dns-tcp-responses-sent-ipv6: 10557259