--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-17T00:00:00Z dns-udp-queries-received-ipv4: 3407306810 dns-udp-queries-received-ipv6: 468428237 dns-tcp-queries-received-ipv4: 129928528 dns-tcp-queries-received-ipv6: 64647408 dns-udp-responses-sent-ipv4: 3404708062 dns-udp-responses-sent-ipv6: 468373434 dns-tcp-responses-sent-ipv4: 133675025 dns-tcp-responses-sent-ipv6: 66826472