--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-06-18T00:00:00Z' dns-udp-queries-received-ipv4: 1504588002 dns-udp-queries-received-ipv6: 329844616 dns-tcp-queries-received-ipv4: 1254207 dns-tcp-queries-received-ipv6: 6704672 dns-udp-responses-sent-ipv4: 1499162387 dns-udp-responses-sent-ipv6: 329714884 dns-tcp-responses-sent-ipv4: 896921 dns-tcp-responses-sent-ipv6: 7383094