--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-06-03T00:00:00Z' dns-udp-queries-received-ipv4: 3161219021 dns-udp-queries-received-ipv6: 652795977 dns-tcp-queries-received-ipv4: 71889806 dns-tcp-queries-received-ipv6: 18566032 dns-udp-responses-sent-ipv4: 3124313695 dns-udp-responses-sent-ipv6: 652384907 dns-tcp-responses-sent-ipv4: 70506911 dns-tcp-responses-sent-ipv6: 18364591