--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-16T00:00:00Z' dns-udp-queries-received-ipv4: 3068492754 dns-udp-queries-received-ipv6: 579897733 dns-tcp-queries-received-ipv4: 65526274 dns-tcp-queries-received-ipv6: 16847779 dns-udp-responses-sent-ipv4: 3033327639 dns-udp-responses-sent-ipv6: 579092392 dns-tcp-responses-sent-ipv4: 44359102 dns-tcp-responses-sent-ipv6: 10588520