--- service: h.root-servers.net metric: traffic-volume version: rssac002v4 start-period: 2021-12-12T00:00:00Z dns-udp-queries-received-ipv4: 2710311632 dns-udp-queries-received-ipv6: 554037495 dns-tcp-queries-received-ipv4: 54960840 dns-tcp-queries-received-ipv6: 24028245 dns-udp-responses-sent-ipv4: 2707038016 dns-udp-responses-sent-ipv6: 553965014 dns-tcp-responses-sent-ipv4: 56553061 dns-tcp-responses-sent-ipv6: 24974438