--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-05-27T00:00:00Z' dns-udp-queries-received-ipv4: 2652664812 dns-udp-queries-received-ipv6: 534102034 dns-tcp-queries-received-ipv4: 65756679 dns-tcp-queries-received-ipv6: 16718968 dns-udp-responses-sent-ipv4: 2638534648 dns-udp-responses-sent-ipv6: 533678592 dns-tcp-responses-sent-ipv4: 64517045 dns-tcp-responses-sent-ipv6: 16561050