--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-11-09T00:00:00Z dns-udp-queries-received-ipv4: 3264057612 dns-udp-queries-received-ipv6: 689167277 dns-tcp-queries-received-ipv4: 103040141 dns-tcp-queries-received-ipv6: 52395521 dns-udp-responses-sent-ipv4: 3260958732 dns-udp-responses-sent-ipv6: 688938770 dns-tcp-responses-sent-ipv4: 105476193 dns-tcp-responses-sent-ipv6: 54174689