--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-06-16T00:00:00Z' dns-udp-queries-received-ipv4: 2886821857 dns-udp-queries-received-ipv6: 750122375 dns-tcp-queries-received-ipv4: 65197127 dns-tcp-queries-received-ipv6: 17319785 dns-udp-responses-sent-ipv4: 2849340024 dns-udp-responses-sent-ipv6: 749621404 dns-tcp-responses-sent-ipv4: 63112138 dns-tcp-responses-sent-ipv6: 16973916