--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-14T00:00:00Z dns-udp-queries-received-ipv4: 3189398633 dns-udp-queries-received-ipv6: 688418370 dns-tcp-queries-received-ipv4: 60781740 dns-tcp-queries-received-ipv6: 26839176 dns-udp-responses-sent-ipv4: 3185270576 dns-udp-responses-sent-ipv6: 688339939 dns-tcp-responses-sent-ipv4: 62309222 dns-tcp-responses-sent-ipv6: 27757626