--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-26T00:00:00Z dns-udp-queries-received-ipv4: 2824562028 dns-udp-queries-received-ipv6: 565372495 dns-tcp-queries-received-ipv4: 50825363 dns-tcp-queries-received-ipv6: 22980964 dns-udp-responses-sent-ipv4: 2821563094 dns-udp-responses-sent-ipv6: 565121681 dns-tcp-responses-sent-ipv4: 52077071 dns-tcp-responses-sent-ipv6: 23790279