--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2017-02-06T00:00:00Z' dns-udp-queries-received-ipv4: 1553449577 dns-udp-queries-received-ipv6: 415524976 dns-tcp-queries-received-ipv4: 930638 dns-tcp-queries-received-ipv6: 3685219 dns-udp-responses-sent-ipv4: 1551812947 dns-udp-responses-sent-ipv6: 415928792 dns-tcp-responses-sent-ipv4: 262994 dns-tcp-responses-sent-ipv6: 3322306