--- service: h.root-servers.net metric: traffic-volume version: rssac002v3 start-period: '2019-02-25T00:00:00Z' dns-udp-queries-received-ipv4: 2366909241 dns-udp-queries-received-ipv6: 495747802 dns-tcp-queries-received-ipv4: 44947857 dns-tcp-queries-received-ipv6: 12022559 dns-udp-responses-sent-ipv4: 2348928710 dns-udp-responses-sent-ipv6: 493519532 dns-tcp-responses-sent-ipv4: 41376685 dns-tcp-responses-sent-ipv6: 11270693