--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-15T00:00:00Z' dns-udp-queries-received-ipv4: 3330080720 dns-udp-queries-received-ipv6: 749180738 dns-tcp-queries-received-ipv4: 162444050 dns-tcp-queries-received-ipv6: 62787070 dns-udp-responses-sent-ipv4: 3139086597 dns-udp-responses-sent-ipv6: 730541683 dns-tcp-responses-sent-ipv4: 152951946 dns-tcp-responses-sent-ipv6: 61407660