--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-06-02T00:00:00Z' dns-udp-queries-received-ipv4: 2831371742 dns-udp-queries-received-ipv6: 613098092 dns-tcp-queries-received-ipv4: 65777555 dns-tcp-queries-received-ipv6: 17373562 dns-udp-responses-sent-ipv4: 2807572769 dns-udp-responses-sent-ipv6: 612542959 dns-tcp-responses-sent-ipv4: 64519948 dns-tcp-responses-sent-ipv6: 17198127