--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-06-04T00:00:00Z' dns-udp-queries-received-ipv4: 3218645484 dns-udp-queries-received-ipv6: 717103940 dns-tcp-queries-received-ipv4: 74311807 dns-tcp-queries-received-ipv6: 18837731 dns-udp-responses-sent-ipv4: 3185377630 dns-udp-responses-sent-ipv6: 716638567 dns-tcp-responses-sent-ipv4: 72555818 dns-tcp-responses-sent-ipv6: 18543688