--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-12-29T00:00:00Z' dns-udp-queries-received-ipv4: 3444742874 dns-udp-queries-received-ipv6: 768084706 dns-tcp-queries-received-ipv4: 155500505 dns-tcp-queries-received-ipv6: 61674660 dns-udp-responses-sent-ipv4: 3226089862 dns-udp-responses-sent-ipv6: 748524104 dns-tcp-responses-sent-ipv4: 137804669 dns-tcp-responses-sent-ipv6: 60039731