--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-11-19T00:00:00Z' dns-udp-queries-received-ipv4: 2889640419 dns-udp-queries-received-ipv6: 545938177 dns-tcp-queries-received-ipv4: 74825282 dns-tcp-queries-received-ipv6: 28469374 dns-udp-responses-sent-ipv4: 2844758113 dns-udp-responses-sent-ipv6: 544393961 dns-tcp-responses-sent-ipv4: 41236568 dns-tcp-responses-sent-ipv6: 16744486