--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-07-05T00:00:00Z' dns-udp-queries-received-ipv4: 3373562915 dns-udp-queries-received-ipv6: 606102417 dns-tcp-queries-received-ipv4: 66226540 dns-tcp-queries-received-ipv6: 16305612 dns-udp-responses-sent-ipv4: 3323092020 dns-udp-responses-sent-ipv6: 605299671 dns-tcp-responses-sent-ipv4: 41474793 dns-tcp-responses-sent-ipv6: 9956666