--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-22T00:00:00Z dns-udp-queries-received-ipv4: 3235525883 dns-udp-queries-received-ipv6: 698795856 dns-tcp-queries-received-ipv4: 56701516 dns-tcp-queries-received-ipv6: 26506144 dns-udp-responses-sent-ipv4: 3232605241 dns-udp-responses-sent-ipv6: 698606225 dns-tcp-responses-sent-ipv4: 57742126 dns-tcp-responses-sent-ipv6: 27181815