--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-02-14T00:00:00Z' dns-udp-queries-received-ipv4: 2451480475 dns-udp-queries-received-ipv6: 520232923 dns-tcp-queries-received-ipv4: 42763717 dns-tcp-queries-received-ipv6: 11507453 dns-udp-responses-sent-ipv4: 2431775554 dns-udp-responses-sent-ipv6: 517977630 dns-tcp-responses-sent-ipv4: 39072575 dns-tcp-responses-sent-ipv6: 10735365