--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-11-21T00:00:00Z dns-udp-queries-received-ipv4: 2459255755 dns-udp-queries-received-ipv6: 488286170 dns-tcp-queries-received-ipv4: 51563969 dns-tcp-queries-received-ipv6: 22752457 dns-udp-responses-sent-ipv4: 2456181610 dns-udp-responses-sent-ipv6: 488209036 dns-tcp-responses-sent-ipv4: 52895898 dns-tcp-responses-sent-ipv6: 23531594