--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-09-04T00:00:00Z' dns-udp-queries-received-ipv4: 3075705669 dns-udp-queries-received-ipv6: 647050903 dns-tcp-queries-received-ipv4: 73930936 dns-tcp-queries-received-ipv6: 15760082 dns-udp-responses-sent-ipv4: 2971921282 dns-udp-responses-sent-ipv6: 646710358 dns-tcp-responses-sent-ipv4: 43505820 dns-tcp-responses-sent-ipv6: 9900159