--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-06-25T00:00:00Z' dns-udp-queries-received-ipv4: 3128911728 dns-udp-queries-received-ipv6: 701716749 dns-tcp-queries-received-ipv4: 71617583 dns-tcp-queries-received-ipv6: 17749082 dns-udp-responses-sent-ipv4: 3088744145 dns-udp-responses-sent-ipv6: 701381865 dns-tcp-responses-sent-ipv4: 46553579 dns-tcp-responses-sent-ipv6: 10789525