--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-02-27T00:00:00Z' dns-udp-queries-received-ipv4: 2398849656 dns-udp-queries-received-ipv6: 485298326 dns-tcp-queries-received-ipv4: 44908013 dns-tcp-queries-received-ipv6: 11215268 dns-udp-responses-sent-ipv4: 2376499911 dns-udp-responses-sent-ipv6: 482607445 dns-tcp-responses-sent-ipv4: 41433862 dns-tcp-responses-sent-ipv6: 10560448