--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-04-04T00:00:00Z' dns-udp-queries-received-ipv4: 2432666947 dns-udp-queries-received-ipv6: 530728688 dns-tcp-queries-received-ipv4: 37923516 dns-tcp-queries-received-ipv6: 13726741 dns-udp-responses-sent-ipv4: 2409664660 dns-udp-responses-sent-ipv6: 529082371 dns-tcp-responses-sent-ipv4: 35187996 dns-tcp-responses-sent-ipv6: 13034210