--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-01-17T00:00:00Z dns-udp-queries-received-ipv4: 3618348840 dns-udp-queries-received-ipv6: 830496367 dns-tcp-queries-received-ipv4: 111827615 dns-tcp-queries-received-ipv6: 70100367 dns-udp-responses-sent-ipv4: 3615511175 dns-udp-responses-sent-ipv6: 830322227 dns-tcp-responses-sent-ipv4: 91017869 dns-tcp-responses-sent-ipv6: 72154202