--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-13T00:00:00Z dns-udp-queries-received-ipv4: 3055093829 dns-udp-queries-received-ipv6: 632226792 dns-tcp-queries-received-ipv4: 59675684 dns-tcp-queries-received-ipv6: 25071376 dns-udp-responses-sent-ipv4: 3052141669 dns-udp-responses-sent-ipv6: 632143507 dns-tcp-responses-sent-ipv4: 61247596 dns-tcp-responses-sent-ipv6: 25988645