--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-06-03T00:00:00Z dns-udp-queries-received-ipv4: 4235094517 dns-udp-queries-received-ipv6: 460878549 dns-tcp-queries-received-ipv4: 130136971 dns-tcp-queries-received-ipv6: 71481193 dns-udp-responses-sent-ipv4: 4231103880 dns-udp-responses-sent-ipv6: 460822757 dns-tcp-responses-sent-ipv4: 133288901 dns-tcp-responses-sent-ipv6: 73787084