--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-04-07T00:00:00Z dns-udp-queries-received-ipv4: 3963057534 dns-udp-queries-received-ipv6: 1075075322 dns-tcp-queries-received-ipv4: 119468166 dns-tcp-queries-received-ipv6: 68054069 dns-udp-responses-sent-ipv4: 3953725645 dns-udp-responses-sent-ipv6: 1074920455 dns-tcp-responses-sent-ipv4: 121630066 dns-tcp-responses-sent-ipv6: 69945531