--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-06-25T00:00:00Z dns-udp-queries-received-ipv4: 3996363274 dns-udp-queries-received-ipv6: 512043058 dns-tcp-queries-received-ipv4: 134709859 dns-tcp-queries-received-ipv6: 67227280 dns-udp-responses-sent-ipv4: 3988049334 dns-udp-responses-sent-ipv6: 511997394 dns-tcp-responses-sent-ipv4: 139055279 dns-tcp-responses-sent-ipv6: 69478966