--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-03-22T00:00:00Z dns-udp-queries-received-ipv4: 3709614887 dns-udp-queries-received-ipv6: 892049317 dns-tcp-queries-received-ipv4: 119216557 dns-tcp-queries-received-ipv6: 60285010 dns-udp-responses-sent-ipv4: 3693240440 dns-udp-responses-sent-ipv6: 891882331 dns-tcp-responses-sent-ipv4: 99522658 dns-tcp-responses-sent-ipv6: 62077841