--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2016-12-07T00:00:00Z' dns-udp-queries-received-ipv4: 2206511609 dns-udp-queries-received-ipv6: 524079682 dns-tcp-queries-received-ipv4: 750911 dns-tcp-queries-received-ipv6: 3976184 dns-udp-responses-sent-ipv4: 2203271142 dns-udp-responses-sent-ipv6: 525009822 dns-tcp-responses-sent-ipv4: 455800 dns-tcp-responses-sent-ipv6: 3487693