--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-11-20T00:00:00Z dns-udp-queries-received-ipv4: 2413772686 dns-udp-queries-received-ipv6: 516913939 dns-tcp-queries-received-ipv4: 52501309 dns-tcp-queries-received-ipv6: 24852062 dns-udp-responses-sent-ipv4: 2410651154 dns-udp-responses-sent-ipv6: 516801493 dns-tcp-responses-sent-ipv4: 53805925 dns-tcp-responses-sent-ipv6: 25670215