--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-07-08T00:00:00Z dns-udp-queries-received-ipv4: 4147038219 dns-udp-queries-received-ipv6: 488261558 dns-tcp-queries-received-ipv4: 140514071 dns-tcp-queries-received-ipv6: 68893175 dns-udp-responses-sent-ipv4: 4140001012 dns-udp-responses-sent-ipv6: 488213621 dns-tcp-responses-sent-ipv4: 144839163 dns-tcp-responses-sent-ipv6: 71240737