--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-20T00:00:00Z' dns-udp-queries-received-ipv4: 3689171764 dns-udp-queries-received-ipv6: 836328417 dns-tcp-queries-received-ipv4: 155478946 dns-tcp-queries-received-ipv6: 62036052 dns-udp-responses-sent-ipv4: 3532055703 dns-udp-responses-sent-ipv6: 814446371 dns-tcp-responses-sent-ipv4: 140722493 dns-tcp-responses-sent-ipv6: 60926141