--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-13T00:00:00Z dns-udp-queries-received-ipv4: 3383966243 dns-udp-queries-received-ipv6: 481745374 dns-tcp-queries-received-ipv4: 126634476 dns-tcp-queries-received-ipv6: 64077599 dns-udp-responses-sent-ipv4: 3380865319 dns-udp-responses-sent-ipv6: 481703392 dns-tcp-responses-sent-ipv4: 130137938 dns-tcp-responses-sent-ipv6: 66056130