--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-10-19T00:00:00Z' dns-udp-queries-received-ipv4: 3480103798 dns-udp-queries-received-ipv6: 731852279 dns-tcp-queries-received-ipv4: 57959961 dns-tcp-queries-received-ipv6: 22648011 dns-udp-responses-sent-ipv4: 3090752800 dns-udp-responses-sent-ipv6: 729666925 dns-tcp-responses-sent-ipv4: 41438323 dns-tcp-responses-sent-ipv6: 15873049