--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-08-06T00:00:00Z dns-udp-queries-received-ipv4: 3442105982 dns-udp-queries-received-ipv6: 481051979 dns-tcp-queries-received-ipv4: 124531011 dns-tcp-queries-received-ipv6: 63480855 dns-udp-responses-sent-ipv4: 3438359615 dns-udp-responses-sent-ipv6: 481008800 dns-tcp-responses-sent-ipv4: 127853782 dns-tcp-responses-sent-ipv6: 65508428