--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-02-24T00:00:00Z' dns-udp-queries-received-ipv4: 2206520682 dns-udp-queries-received-ipv6: 535086420 dns-tcp-queries-received-ipv4: 43810830 dns-tcp-queries-received-ipv6: 12522836 dns-udp-responses-sent-ipv4: 2182121899 dns-udp-responses-sent-ipv6: 533427376 dns-tcp-responses-sent-ipv4: 40551540 dns-tcp-responses-sent-ipv6: 11814112