--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2018-11-19T00:00:00Z' dns-udp-queries-received-ipv4: 1914612725 dns-udp-queries-received-ipv6: 406920962 dns-tcp-queries-received-ipv4: 45410885 dns-tcp-queries-received-ipv6: 16463496 dns-udp-responses-sent-ipv4: 1912344445 dns-udp-responses-sent-ipv6: 406531248 dns-tcp-responses-sent-ipv4: 42988243 dns-tcp-responses-sent-ipv6: 15660665